συνήθεια (synḗtheiasoon-ay'-thi-ahnouncustom; being accustomed)
[Grk] συνήθεια LN: 41.25 GK: G5311
Derivation: from a compound of σύν and ἦθος;
Strong's: mutual habituation, i.e. usage
KJV: --custom.
See: σύν
See: ἦθος