一因いちいんichiin一いち因いん一いち因いんShow answer(Space)Suspend(@)Ichiin: Photo by Anna Shvets on Pexels一いち因いん一いち因いんichiinCommonRelative commonness of this word, based on various sources (incl. newspapers)CommonNoun (common)Noun (common) (futsuumeishi)Noun (common)one cause; one reason; one factorIchiin: Photo by Anna Shvets on Pexels一いち因いん一いち因いんichiinone cause; one reason; one factorWhat does 一因 mean in English?one cause; one reason; one factor(n)Search the picture dictionary for 一因