#1481 ἐθνάρχης ethnarches {eth-nar'-khace}

 from G1484 and G0746; TDNT - n/a; n m

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) an ethnarch, one set over a people as ruler, but without the
    authority and name of a king

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - governor 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)