Dictionary/酵母こうぼKoubo酵母 (Koubo) is a Japanese noun meaning “yeast, leaven”.Meaningsnounyeast; leavenKanji in 酵母酵fermentation母motherRelated words母motherお母さんmother母親mother母さんmotherお婆ちゃんgranny叔母auntお袋(one's) mother義母mother-in-law婆ちゃんgranny婆さんgrandmother祖母grandmother頼もしいreliable