Abbott-Smith Manual Greek Lexicon
αὐθεντέω (G831)
1 *† αὐθεντέω , -ῶ ( αὐθέντης , i.e. αὐτο- ἕντης , one who acts on his own authority , in π. , an autocrat ; cf. Wi 12:6 ; cf. -ία , III Mac 2:29 ; -ικος is freq. in vernacular, MM, s.v.), to govern , exercise authority over : I Ti 2:12 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain