異母 yìmǔ different mothers Origin Definitions Defs Strokes Stroke Words Sentences Sents 同父异母 tóngfùyìmǔ having the same father but different mothers Describes siblings who share the same father but have different mothers; half-siblings through the father's side异母兄弟 yìmǔxiōngdì half brothers brothers who have the same father but different mothers