上じょう代だい日本にほん語ごMeaningsNoun1. Old JapaneseKanji used上above代substitute日sun本book語languageComposed of上じょう代だいancient times (e.g. Heian and Nara periods in Japan); remote ages; early history; (nominal) retail priceNoun日本にほん語ごJapanese (language)Noun