grandnephew
[
gran
-nef-yoo, -nev-yoo,
grand
-]
/ˈgrænˌnɛf yu, -ˌnɛv yu, ˈgrænd-/
noun
1.
a son of one's
nephew
or niece.
Origin
1630-40;
grand-
+
nephew
British Dictionary definitions for
grandnephew
grandnephew
/
ˈɡrænˌnɛvjuː;
-ˌnɛfjuː;
ˈɡrænd-
/
noun
1.
another name for
great-nephew
great-nephew
noun
1.
a son of one's nephew or niece; grandson of one's brother or sister