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Stroke order
ㅅ (siot) stroke order.png
See also: -ㅅ-, , , and



The traditional account[1] holds that its form is the outline of an incisor, 齒形 (it is the shape of the four teeth in the Chinese pictographic character for incisor, 齒).

Gari Ledyard proposes that (s) was derived from (j) by removing the top stroke.


  • IPA(key): /s/, [s], [ɕ], [t̚], [n]
  • Phonetic hangul: ㅅ, ㄷ, ㄴ



  1. 시옷 (siot, “siot”), a jamo (letter) of the alphabet of the Korean writing system, hangeul; the sibilant phoneme (/s/)

Usage notes[edit]

In the North Korean order, (s) is the seventh jamo, and in the South Korean order the tenth.

Derived terms[edit]

  • (j) (in traditional account)
  • (ch)
Coordinate terms


-- ‎(-s-)

  1. The sai-siot (사이시옷), genitive marker sometimes placed between a vowel-final syllable and a consonant-initial syllable when forming compounds.


  1. ^ Hunmin Jeongeum Haerye “Explanations and Examples of the Proper Sounds for the Instruction of the People” (1446), defining and explaining the script now known as 한글 ‎(han-geul, Great script, Korean script) in South Korea and 조선글 ‎(joseon-geul, Korean script) in North Korea.