The name frequently appears in "fudoki" (description of regionalclimate, culture, etc.) of various provinces, such as that of Mutsu Province, Echigo Province, Hitachi Province, Settsu Province, Bungo Province and Hizen Province.
この名は、陸奥国、越後国、常陸国、摂津国、豊後国、肥前国など、各国の風土記などでも頻繁に用いられている。