Tsu
Kana
Tsu is one of the Japanese kana, each of which represents one mora. Both are phonemically, reflected in the Nihon-shiki and Kunrei-shiki Romanization tu, although for phonological reasons, the actual pronunciation is, reflected in the Hepburn... Wikipedia
Hiragana: つ
katakana origin: 川
Man'yōgana: 都 豆 通 追 川 津
spelling kana: つるかめのツ; (Tsurukame no "tsu")
translit. with dakuten: zu, dzu, du
transliteration: tsu, tu
unicode: U+3064, U+30C4