Abbott-Smith Manual Greek Lexicon
Ὀνήσιμος (G3682)
2 Ὀνήσιμος , -ου, ὁ (i.e. profitable , ὄνησις , profit ), Onesimus : Col 4:9 , Phm 10 (a common name among slaves; v. MM, iii, xviii).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain