Abbott-Smith Manual Greek Lexicon
ἔθος (G1485)
13 ** ἔθος , -εος (-ους), τό ( ἔθω ), [in LXX: Wi 14:16 , Da TH Bel 15 , I Mac 10:89 , II Mac 11:25 13:4 , IV Mac 18:5 א R* ;] habit, custom ; Lk 22:39 , Jo 19:40 , Ac 16:21 25:16 , He 10:25 ; in Lk 1:9 2:42 , Ac 6:14 15:1 21:21 26:3 28:17 , almost in the narrower sense of law (Deiss., BS , 251 f.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain