Großneffe

From LSJ

πάντες γὰρ οἱ λαβόντες μάχαιραν ἐν μαχαίρῃ ἀπολοῦνται → all they that take the sword shall perish with the sword

Source

German > Latin

Großneffe, fratris nepos (vom Bruder her). – sororisnepos (von der Schwester her).