All wordsJapanese · Attested弟Reading: otoutolittle brotherCame fromOld JapaneseRouteDirectEraPre-historyContactInheritedRelated words姉aneolder sisterOld JapanesePre-history兄aniolder brotherOld JapanesePre-history父chichifatherOld JapanesePre-history母hahamotherOld JapanesePre-history