齠齔

上亭遙反俗字也正體從髟作髫埤蒼髫髦也考聲云小兒剃髮留兩邊胎髮曰髫從髟召聲下初覲反說文毀齒也男八月齒生八歲而齔女七月齒生七歲而齔從齒匕聲經從乙訛也髦音毛髟音必姚反剃音天計反