院いん本ぽんいんぽんMeanings1noundrama; playbookHistorical term for a type of Chinese drama or its script, associated with the Yuan dynasty (院本). Rare in modern Japanese outside of specialized contexts.院いん本ぽんは元げん代だいの演えん劇げきの一いっ種しゅである。Inbon is a type of drama from the Yuan dynasty.