Ancient Greek lemma · Strong’s G1556

ἐκδικέω

ekdikeo · /ek-dik-eh'-o/ — “avenge”

avenge, punish; exact vengeance for; decide; avenge; vindicate; act as; claim; make retribution for

Derivation: from ἐκ (ek, out) + δικέω (dikeō, judge)