Abbott-Smith Manual Greek Lexicon
τετραάρχης (G5076)
4 † τετραάρχης (Rec. τετράρχης , v. supr.), -ου, ὁ ( τετρα- in comp. = τέτορα , Doric for τέσσαρα , + ἄρχω ), a tetrarch , i.e. prop., the governor of a fourth part of a region (Strab.); any petty ruler (Plut.); in NT, of Herod Antipas: Mt 14:1 , Lk 3:19 9:7 , Ac 13:1 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain