猶子

Etymology
Originally from a passage from the  (《禮記》) in the context of the proper rites of mourning:

Gradually the phrase was taken out of its original context and became idiomatic, despite (prescriptionist) objections from classical scholars. For non-idiomatic usages, see the individual characters,.

Noun

 * 1) nephew son of a brother
 * 2)  niece
 * 1)  niece
 * 1)  niece