Dictionary entry

συνήθεια

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

** συνήθεια, -ας, ἡ

(< ἦθος), [in LXX: IV Mac 2:12 6:13 13:22, 27 *;]

1 intimacy.

2. habit, custom: Jo 18:39, I Co 11:16; c. gen. obj. (cf. Æschin., 23, 37, and v. MM, xxiv), habitual use, force of habit with respect to, I Co 8:7.†