ἐξάδελφος

A. cousin-german, TAM 2.224 (Sidyma): fem. also ἐξαδέλφη CIG 3891 (Eumenia).
II. nephew, LXX To. 1.22(25), J. AJ 20.10.3.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project