す, in

hiragana is a Japanese language, Japanese syllabary, part of the Japanese writing system, along with ''katakana'' as well as ''kanji''. It is a phonetic lettering system. The word ''hiragana'' means "common" or "plain" kana (originally also "easy", ...

or ス in

katakana is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji and in some cases the Latin script (known as rōmaji). The word ''katakana'' means "fragmentary kana", as the katakana characters are derived fr ...

, is one of the Japanese

kana are syllabary, syllabaries used to write Japanese phonology, Japanese phonological units, Mora (linguistics), morae. In current usage, ''kana'' most commonly refers to ''hiragana'' and ''katakana''. It can also refer to their ancestor , wh ...

, each of which represents one mora. Their shapes come from the

kanji are logographic Chinese characters, adapted from Chinese family of scripts, Chinese script, used in the writing of Japanese language, Japanese. They were made a major part of the Japanese writing system during the time of Old Japanese and are ...

寸 and 須, respectively. Both kana represent the sound . In the

Ainu language Ainu (, ), or more precisely Hokkaido Ainu (), is a language spoken by a few elderly members of the Ainu people on the northern Japanese island of Hokkaido. It is a member of the Ainu language family, itself considered a language family isola ...

, the katakana ス can be written as small ㇲ to represent a final s and is used to emphasize the pronunciation of rather than the normal �(represented in Ainu as ㇱ). * スィ and ズィ are also used to present ''si'' and ''zi'' pronunciations respectively. For example, 'C' is presented as スィー . See also

Hepburn romanization is the main system of Romanization of Japanese, romanization for the Japanese language. The system was originally published in 1867 by American Christian missionary and physician James Curtis Hepburn as the standard in the first edition of h ...

Stroke order

Other communicative representations

References