上代日本語 じょうだいにほんご Meanings Noun Old Japanese See also: 上代語 (じょうだいご). Kanji 上 up. Read as ジョウ. 代 era. Read as ダイ. 日 day 本 origin. Read as ホン. 語 language. Read as ゴ. Word lists Linguistics Jinuma: Japanese Dictionary · Word lists