Tiwi
Native to	Australia
Region	Bathurst and Melville Islands, Northern Territory
Ethnicity	Tiwi people
Native speakers	2,103 (2021 census)[1]
Language family	Language isolate
Dialects	Traditional Tiwi New Tiwi
Language codes
ISO 639-3	tiw
Glottolog	tiwi1244
AIATSIS[2]	N20
ELP	Tiwi
Tiwi (purple), among other non-Pama-Nyungan languages (grey)
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Tiwi /ˈtiːwi/^[3] is an Australian Aboriginal language spoken by the Tiwi people on the Tiwi Islands, within sight of the coast of northern Australia. It is one of about 10% of Australian languages still being frequently learned by children.

Traditional Tiwi, spoken by people over the age of fifty by 2005, is a polysynthetic language. However, this grammatical complexity has been lost among younger generations. Tiwi has around one hundred nominals that can be incorporated into verbs, most of them quite different from the corresponding free forms.^[4]

Tiwi has long been regarded as a language isolate due to its large scale of linguistic differences from other languages in the mainland Australia regions.^[5] However, recent research using historical linguistic techniques suggests that the Tiwi language might be under the Gunwinyguan family (a language family that consists of languages primarily spoken in North Central Australia).^[6]

There are a number of name variations for the Tiwi language. Some of the variations were established by local Australian residents who lived in geographical regions and territories with close proximity with the Tiwi speakers, or have had close interactions with them for research work purposes. Other name variations of the language were coined by neighbouring indigenous communities.

Tunuvivi

Tunuvivi was the initial term coined by the Indigenous members of the Melville and Bathurst islands. It is the original name for the Tiwi language itself, and has the meaning of 'people' or 'we the only people'.^[7] Meanwhile, the widely recognised name, Tiwi, was originally established by an anthropologist C.W.M. Hart in 1930 in order to have a discernible tribal name that can represent the Melville and Bathurst indigenous members.^[8] The term Tiwi was later accepted by the Melville and Bathurst islanders, and they have subsequently incorporated this name as a constituting part of their social identities.

Wongak

This name variation, Wongak, was used by the Iwaidja community to describe the Tiwi language. The phonetic realization ['Wonga:k] is also another variation that is termed by the Iwaidja community members themselves.^[7]

Nimara

The term Nimara was established by an Australian writer and author named William Edward Harney, who had adopted the pen name of Bill Harney at the time. This name variation has the meaning of 'to talk', or 'language'.^[9]

Woranguwe/Worunguwe

The name Woranguwe (or Worunguwe) was used by the Iwaidja community to specifically refer to the indigenous members of the Melville Islands. This name is a variation existing in the Iwaidja language.^[9]

Orthography is put in ⟨brackets⟩.

Like most Australian languages, Tiwi has four phonetically distinct series of coronal stops. (See Coronals in Indigenous Australian languages.) There are contrasting alveolar and postalveolar apical consonants, the latter often called retroflex. However, the two laminal series are in complementary distribution, with postalveolar laminal [t̠] (sometimes described as alveolo-palatal) occurring before the front vowel /i/, and denti-alveolar laminal [t̪] occurring before the non-front vowels, /a/, /o/, /u/. That is, phonologically Tiwi has at most three series. However, some analyses treat postalveolar [ʈ] as a sequence /ɻt/, since it only occurs in medial position.

In addition, Tiwi has a velar approximant /ɰ/, which is somewhat unusual for an Australian language. Typically for an Australian language, there are no fricatives.

Tiwi allows consonant clusters in medial position. Besides the possibility of /ɻt/ for [ʈ], these include other liquid-stop clusters and nasal-stop clusters such as /mp/. However, there is little reason to choose between an analysis of /mp/ as being a cluster as opposed to a prenasalized stop.^[10]

There is also a glottal stop /ʔ/ in the inventory of speech sounds in Tiwi, but as Osborne notes, it functions to mark the end of a sentence and as such, is best analysed as a part of Tiwi prosody.^[11]

Tiwi has four phonemic vowels.

The frequency of the open-back vowel /o/ is relatively low. It is neutralised with /a/ following /w/, and does not occur initially or finally.^[11] However minimal pairs exist, albeit few in number, to prove its existence as a distinct phoneme:

/jilati/ 'knife'

/jiloti/ 'forever'

Each phonemic vowel exhibits a broad range of allophones, many of which overlap with allophones of other vowels, and three vowels (/i/, /a/ and /u/) reduce to /ə/ in many unstressed syllables.^[12] All vowels are phonemically short, while long vowels occur when medial glides are reduced. For example:

/paɻuwu/ [paɻu:] (placename)

Tiwi is characterized by its highly complex verb morphology. Tiwi is a polysynthetic language with a heavy use of noun incorporation such that all elements of a sentence may be expressed in a single morphological and phonological word as in the following example.^[11]

jinuatəməniŋilipaŋəmat̪at̪umaŋələpiaŋkin̪a

'He came and stole my wild honey this morning while I was asleep'

Around one hundred nominals may be incorporated into the verb in Tiwi, but the incorporated forms often differ significantly from the corresponding free forms, or their closest semantic correspondent as illustrated below.^[4]

Dixon (1980) suggests that while some forms have merely undergone phonological reduction as a result of being grammaticalized, others bear no phonological resemblance to their corresponding free form due to lexical replacement and taboo.

Osborne (1974) identifies eleven grammatical categories that can be marked on verbs. They are listed below using his terminology. All verbs must be marked for tense, person and number, and third person-singular subjects and objects are also obligatorily marked for gender. All other categories listed below are not grammatically obligatory.

Verbal categories after Osborne (1974)^[11]

The terminology Osborne uses for the grammatical categories, in particular the aspects and voices, does not conform to more recent cross-linguistic standards (see terms for various aspects). For instance, Osborne glosses verbs containing the beginning aspect as started to, which closer aligns to what is now called the inceptive or inchoative, while the aspect that Osborne calls inceptive is glossed as about to, which is more reminiscent of the prospective.

Tiwi, like many Indigenous Australian languages, does not distinguish between nouns and adjectives. Both things and properties or qualities of those things are encoded by the nominal word class. Nominals in Tiwi are marked for gender and number. However, the plural is ungendered, resulting in three categories: masculine, feminine and plural.

Gender is sexually assigned for humans and animals, but semantically assigned for inanimate objects on the basis of shape. Things that are thin, small and straight are assigned to the masculine gender, and objects that are large, round and ample are assigned to the feminine. As a result, nominals in Tiwi may take either gender depending on the context and reference. Grass, for instance, is masculine when referring to a blade of grass, but feminine when referring to a patch or expanse of grass.

Masculine nominals are marked either by the suffix -ni or -ti, and feminine nominals by -ŋa or -ka. Furthermore, many nominals are implicitly masculine or feminine and lack overt marking. However, as nominals denoting properties always take regular gender suffixes that agree with the object they modify, the covert gender of these nominals can be ascertained.

The table below from Osborne (1974:52)^[11] lists the suffixes marking each gender as well as their rate of occurrence among 200 tokens from each class.

Nominals in Tiwi can be marked for plural either by a plural suffix -wi or -pi. The plural suffix fills the same morpheme slot as gender suffixes and as a result, plurals do not contrast for gender. Some nominals (Osborne counts nineteen) undergo partial reduplication of the stem when pluralised. The form of the reduplicant is always Ca- (where C becomes the initial consonant of the stem), thus muruntani 'white man' and muruntaka 'white woman' pluralise to mamuruntawi 'white people'.

Osborne also identifies a distinction among Tiwi nominals as to whether they belong to a Human class or a Non-human class. However the category is covert on nominals themselves, and is only marked on numerals.

Since contact with Europeans, Tiwi has been undergoing changes to its structure that have resulted in a modern version of the language that is quite typologically distinct from Traditional Tiwi.^[12] These changes have affected the verb morphology and lexicon of Tiwi, resulting in a language that is relatively isolating, compared with its polysynthetic predecessor. Modern Tiwi contains many loan words, verbs, and nouns borrowed from the English language.

Contact with English has also resulted in a number of other varieties of Tiwi, such as Children's Tiwi and Tiwi-English, in which Tiwi people have varying levels of proficiency. In 1993, Traditional Tiwi was spoken only by people over 55, with Modern Tiwi being spoken by everyone up until the age of 30.^[12] In more informal speech acts and conversations, children and younger generation would use loan words that are similar to English pronunciations on a phonological level.^[13] They also used Modern Tiwi in different social domains, including classrooms, social institutions, social media, while their instances of speaking the Traditional Tiwi dialect are relatively limited to their interactions with older members such as the elderly and their parents.

The main change that separates Traditional and Modern Tiwi is the level of complexity in the verb. Traditional Tiwi is a polysynthetic language while Modern Tiwi is isolating, with some inflection. The examples below show the difference between a sentence rendered in Traditional Tiwi and Modern Tiwi.

She (the sun) is shining over there in the morning

(Lit. 'She is walking over there in the morning with a light')

Traditional Tiwi

Modern Tiwi

In addition, Modern Tiwi has a less complex morphological structure that often omits object prefixes, while they are maintained in the traditional dialect.^[14]

The exact and official number of Traditional Tiwi speakers remains uncertain. In the Language Activity Survey, a respondent of the survey responded that the traditional version of the Tiwi language had only up to 35 speakers, in which none of them can speak the language fully. There were approximately five speakers aged 60 and above who could speak the traditional version partially, and around ten speakers who can speak only some words and sentences in each of the age groups of 20 to 39, 40 to 59, as well as 60 and above.^[15]

Capell (1940) lists the following basic vocabulary items:^[16]

gloss	Tiwi (Melville)
man	wawärini
woman	imbalinja
head	duluwa
eye	bidara
nose	jirundamura
mouth	irubudara
tongue	imidala
stomach	wurara
bone	bwɔda
blood	madjibani
kangaroo	diraga
opossum	ŋunuŋa
crow	wagwagini
fly	ubɔni
sun	bugwi, imuŋa
moon	dabara
fire	jugɔni
smoke	gumuribini
water	guguni

Capell (1942) lists the following basic vocabulary items for the Ngalagan and Anjula varieties:^[17]

gloss	Ngalagan	Anjula
man	bigur	mininŋia
woman	bolo'bolo	ananawaija
head	miːra	wulaia
eye	ŋandjula	miː
nose	gudjeː	ŋuɽu
mouth	gudjaːla	mulu
tongue	djaːlŋ	ŋaːndal
stomach	guwar	wadju
bone	ŋaɽaga	guɽuwuɽu
blood	guraidj	djinaŋulja
kangaroo	gọːin	wunäla
opossum	dugula	biwali
emu	ŋurundɔidj	djagudugudu
crow	waːɽŋwaːɽŋ	rawaŋga
fly	bɔd	ramijimiji
sun	ŋuwadji	ragamba
moon	gurŋa	ŋagala
fire	guŋwɛ	bújuga
smoke	guguwalbɛŋɛ	wulŋara
water	gu'wɛ	wajuru

Below is a basic vocabulary list from Blake (1981).^[18]

English	Tiwi
man	awurrini
woman	yimparliṉa
mother	naringa
father	ringani
head	pungintaga
eye	piṯara
nose	yarrangantamura
ear	mikaṉṯanga
mouth	yarrapuntara
tongue	yimitarla
tooth	yingkana
hand	yikara
breast	pularti
stomach	pitapita
urine	pwaṯini
faeces	kiṉirri
thigh	karipayua
foot	kintanga
bone	pwaṯa
blood	yimpulini
dog	palangamwani
snake	aruwuni
wallaby	ṯarraka
possum	nguninga
fish	miputi
spider	parraka
type of mosquito	mimini
eaglehawk	kutulakini
crow	wakwakini
sun	yiminga
moon	ṯaparra
star	ṯapalinga
stone	waranga
water	kukuni
camp	tangarima
fire	yikwani
smoke	kumurripini
food	yingkiti
meat	puningkapa
stand	inti
sit	mu
see	emani
go	uri
get	marri
hit	pirni
I	ngia
you	ngiṉṯa
one	yati
two	yurrara

• Justin Puruntatameri; Kitty Kantilla; Glenn Wightman (2001). "Tiwi Plants and Animals : Aboriginal Flora and Fauna Knowledge from Bathurst and Melville Islands, northern Australia". Tiwi Plants and Animals : Aboriginal Flora and Fauna Knowledge from Bathurst and Melville Islands, northern Australia: 192. Wikidata Q109442600.

The concept of ethnomedicine in the Tiwi community is built upon their existing social practices in utilization of nature's resources, and their cultural beliefs of nature's intricate connections with an individual's body in itself. The Tiwi members believed that the foods they hunt and gather in nature helps maintain their physical well-being. Tiwi men and women participated in a relatively equal division of labour in their hunting-gathering efforts, where they would hunt for "bush foods" such as fish, turtle eggs, mussels, yams, and mangrove worms.^[19] One of the theories in Tiwi medicine centres around the concept of tarni, which is considered by Tiwi speakers as the state of general "sickness". The term tarni was derived from Tiwi's particular cultural belief of the sharp, pointed tip of yams, as they believed that these yams carried the tarni sickness. They believed that if pregnant women ate them, their sharp pointed tips would pierce the womb, which would release the sickness and kill the baby.^[20]

The Tiwi community also uses plants for remedies and treatments for the common ailments that their members experience. For example, the pandanus is believed to be an ideal treatment for diarrhea, where the leaves are cut and the middle part is chewed and swallowed. If the leaves are cut from the centre of the plant, and are placed on the patient's forehead for around two to three days, it is believed that this procedure can help alleviate headaches.^[21]

A text excerpt of the Tiwi language was published in 1974 by C. R. Osborne, under the Australian Institute of Aboriginal Studies in Canberra, Australia. The text contains two parts of a Tiwi traditional ceremony, titled "The First Funeral Dance". In the first part, it describes a dancing ritual that is initiated and performed by two Tiwi man — Alikampwaɹni, and his brother-in-law T̪aŋkənaŋki, where other members on the islands would perform the same dance after their deaths. The second part depicts the story of Purukupaɹli, a Tiwi man who performs a dancing ceremony to express bereavement and to mourn the death of his own son. The ceremony was subsequently joined by Purukupaɹli's wives Waijai and Pamatikimi.^[22]

The documentation contains the original texts in the Tiwi language, with translations available in English. In addition, the text also contains textual and explanatory notes that detail the lexical definitions for specific Tiwi terms, background information of items in the Tiwi culture, and the non-verbal gestures that were also performed as a part of the funeral dancing ceremonies.

Tayikuwapimulungurrumi wutailapwarrigi-jiki arnuka kiyi wutaakiyamama kwiyi tiwi-ma kiyi rayit. Wuta-wurlimi pungintaga kiyi punyipunyi kiyi wiyi tuwim-ajirri nginingaji pirajuwi.

(All human beings are born free and equal in dignity and rights. They are endowed with reason and conscience and should act towards one another in a spirit of brotherhood.)

(Article 1 of the Universal Declaration of Human Rights)^[23]

• Paradisec has a number of collections that include Tiwi language materials.