Abbott-Smith Manual Greek Lexicon
ἐθνάρχης (G1481)
1 **† ἐθνάρχης , -ου, ὁ ( ἔθνος, ἄρχω ), [in LXX: I Mac 14:47 15:1 , 2 * ;] an ethnarch, a provincial governor (cf. I Mac, ll. c.; FlJ, Ant. , xiii, 6, 6; Dalman, 332): II Co 11:32 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain