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]