Go-on
Go-on or goon (呉音; English: /ˈɡoʊ.ɒn/ GOH-on; Japanese pronunciation: [ɡo.oɴ] or [ɡoꜜoɴ], lit. "Wu sound") are an early layer of Japanese kanji readings (on'yomi) that was in use before the later kan-on (漢音) layer. Go-on was transmitted with Chinese classical and Buddhist texts and remains particularly common in Buddhist vocabulary. Both go-on and kan-on reflect Middle Chinese pronunciations, adapted to Japanese phonology.