續一切經音義 9.198

9.198

兄嫂（下蘇晧反爾雅云兄之妻為嫂禮記云叔嫂不通問說文云從叜作㛮）。

Elder brother's wife (兄嫂: the lower character has the fanqie 蘇晧; the Erya says that an elder brother's wife is called sao; the Liji says, "A brother-in-law and his sister-in-law do not exchange inquiries"; the Shuowen jiezi says it is derived from 叜, forming 㛮).