[wai4 sun1] /daughter's son/grandson/descendant via the female line/
  [wai4 sun1] /Enkel (Sohn der Tochter) (u.E.) (S)/Enkelkind (u.E.) (S)/
  [wai4 sun1] /petit-fils/
 [がいそん;そとまご] /(n) grandchild from a daughter married into another family/EntL1650540X/
Visszatérés a(z) „外孙” laphoz.