great-grandnephew
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English[edit]
Etymology[edit]
From great- + grandnephew.
Noun[edit]
great-grandnephew (plural great-grandnephews)
- 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.)