Webster's Revised Unabridged Dictionary · 1913

Nephew

Nephew (nef"u; in England nev"u; 277) , noun

[Old English neveu, nevou, nevu, from French neveu, Old French also, nevou, Latin nepos; akin to Anglo-Saxon nefa, Dutch neef, German neffe, Old High German nevo, Icelandic nefi a kinsman, Greek ne`podes, pl., brood, young, Sanskrit nepāt grandson, descendant. r262. Compare Niece, Nepotism.]

1.
A grandson or grandchild, or remoter lineal descendant. [Obsolete]
But if any widow have children or nephews [Rev. Ver. grandchildren]. — 1 Tim. v. 4
If naturalists say true that nephews are often liker to their grandfathers than to their fathers. — Jer. Taylor
2.
A cousin. [Obsolete] — Shakespeare
3.
The son of a brother or a sister, or of a brother-in-law or sister-in-law. — Chaucer