Abbott-Smith Manual Greek Lexicon
τελειότης (G5047)
2 τελειότης , -ητος, ἡ ( τέλειος ), [in LXX: Jg 9:16 , 19 ( תָּמִים ), Pr 11:3 ( תֻּמָּה ), Wi 6:15 12:17 , Je 2:2 * ;] perfection, completeness : Col 3:14 , He 6:1
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain