Extended Strong's Greek Lexicon (Abbott-Smith based)
Aretas
Usage: Ἀρέτας (WH, Ἀρ.; Intr., 313), -α, ὁ, Aretas, an Arabian king: 2Co.11:32 (Deiss., BS, 183 f., thinks the proper spelling Ἀρέθας was changed, as Schürer suggests, "by desire to Hellenise a barbaric name by assimilation to ἀρετή").† (AS)