Abbott-Smith Manual Greek Lexicon
Ἀρίσταρχος (G708)
5 Ἀρίσταρχος , -ου, ὁ ( ἄριστος , ἀρχός ; i.e. best-ruling ), Aristarchus : Ac 19:29 20:4 27:2 , Col 4:10 , Phm 24 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain