旧きゅう仮か名な遣づかい

noun

old kana orthography; historical kana usage

Refers to the kana spelling system used before the 1946 reform, based on classical pronunciation. Contrasts with 新仮名遣い (modern kana usage) and is synonymous with 歴史的仮名遣い.

See also: 歴史的仮名遣い · 新仮名遣い

• 旧きゅう仮か名な遣づかいでは「蝶ちょう」を「てふ」と書かいた。

  In old kana orthography, 'butterfly' was written as てふ.