TBESG:τετραρχέωbe a tetrarchG:V τετρααρχέω (Rec. τετραρχ-; see WH, App., 145), -ῶ (< τετραάρχης), to be tetrarch: with genitive, Luk.3:1 (FlJ, BJ, iii, 10, 7).† (AS)
τετράρχης tetrarchēs tet-rar'-khace From G5064 and G757; the ruler of a fourth part of a country (“tetrarch”)KJV Usage: tetrarch.