noun
jion kanazukai; historical kana usage for kanji on-yomi
A system of historical kana spelling applied specifically to Sino-Japanese readings (on-yomi) of kanji, as opposed to native Japanese readings. Used in classical texts and older dictionaries. The usage note gives the example カゥトゥ for 高等.
字音仮名遣いでは、「高等」を「カゥトゥ」と表記することがある。
In jion kanazukai, 高等 may be written as カゥトゥ.
Standard full spelling for this historical kana usage term.
Abbreviated spelling, omitting the okurigana い.
Compound of 字音 (jion, 'Sino-Japanese reading') + 仮名遣い (kanazukai, 'kana usage'). The term refers to a specific orthographic convention for writing on-yomi in historical kana.