Lexical Definition

‎ἔθος‎ éthos (eth'-os) custom G:N-N
from ‎ἔθω‎

custom, manner, be wont.

Usage: 5 forms in 12 verses
Form Translated As     In Verse(s)
ἔθοσ custom Luke.1.9Luke.2.42Luke.22.39John.19.40Acts.25.16Heb.10.25
ἔθη customs Acts.6.14Acts.16.21
ἔθεσιν customs Acts.21.21Acts.28.17
ἔθει custom Acts.15.1
ἐθῶν customs Acts.26.3

Abbott-Smith

** 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.).†

Abbott-Smith References

Book Refs
Luke 1:9 · 2:42 · 22:39
John 19:40
Acts 6:14 · 15:1 · 16:21 · 21:21 · 25:16 · 26:3 · 28:17
Hebrews 10:25

Liddell-Scott-Jones

ἔθος, εος, τό,

(ἔθω) custom, habit, . τὸ πρόσθε τοκήων (but probably falsa lectio for{ἦθος}) [Refs 5th c.BC+]; ἐν ἔθει τῇ πόλει εἶναι to be the habit, [Refs 5th c.BC+]; . ἐστίν τινι, with infinitive, [Refs 4th c.BC+]; ἔθος ἔχειν, with infinitive, [Refs 1st c.AD+]; ἔθει by habit, habitually, opposed to φύσει, [Refs 4th c.BC+]; δι᾽ ἔθος, opposed to ἐκ γενετῆς, [Refs]; ἐξ ἔθους[Refs 3rd c.AD+]-, cf. Latin suesco; see at {βεσόν}.)