great-grandnephew

English

Etymology

From great- +‎ grandnephew.

Noun

great-grandnephew (plural great-grandnephews)

1. A great-grandson of one's sibling, a grandson of one's nephew or niece. (Brother's great-grandson: fraternal great-grandnephew. Sister's great-grandson: sororal great-grandnephew.)

Synonyms

• great-great-nephew