外孙子

外孫子
wàisūnzi
  1. (coll.) daughter's son
  2. grandson

CEDICT

colloquial

Entry Composition

1 外孙 wàisūn
  1. daughter's son
  2. grandson
  3. descendant via the female line
2 子 zi noun suffix, as in 椅子 yǐzi "chair"