四よつ仮が名な

noun

yotsugana; the four kana (ji, di, zu, du)

Linguistics term referring to the four historical kana じ, ぢ, ず, づ and their pronunciation distinctions, which have merged in modern standard Japanese.

• 四よつ仮名がなの区く別べつは、現げん代だいの共きょう通つう語ごでは失うしなわれている。

  The distinction among the yotsugana has been lost in modern standard Japanese.