Siot (character: ㅅ; Korean: 시옷, siot, North Korean: 시읏, sieut) is a consonant of the Korean alphabet.[1]Siot indicates an [s] sound like in the English word "staff", but at the end of a syllable it denotes a [t] sound. Before [i], semivowels (like ㅛ, yo) and the vowel ㅟ(wi) it is pronounced [ɕ].[2][3][4][5]
^Jiyoung Shin, Jieun Kiaer, Jaeeun Cha (2012). The Sounds of Korean. Cambridge University Press. pp. XiX–XX. ISBN 9781139789882.{{cite book}}: CS1 maint: multiple names: authors list (link)