Neffe

Etymology
From, from , , from , from. Cognate with 🇨🇬, obsolete 🇨🇬. Further from, whence , which see for more.

The form with is irregular and was spread by. The development -v- → -ff- before a sonorant (here the n of the inflected forms) is also found in Early Modern German for,  and frequently in Low German; compare  for  (the last in the sense of “next to”).

Noun

 * 1) nephew son of one's sibling or sibling-in-law
 * 2)  another male relative, especially a grandson, but also a cousin etc.