膏こう腴ゆMeanings1noun, noun-modifying (irregular)fertile soil; fertile land; fertilityrare termRare literary term for rich, productive soil or land. Cross-referenced with 膏沃, a similar rare compound.See also: 膏沃膏こう腴ゆの地ちは農のう業ぎょうに適てきしている。Fertile land is suitable for agriculture.