συνήθεια
Alt. συνήθεια, ἡ,
Etym. συνήθης
I. "habitual intercourse, acquaintance, society, intimacy", Lat. consuetudo, Aeschin., etc.
II. "habit, custom, habituation", Hhymn., Plat.: c. gen., ἔργου "habituation" to a thing, Dem.
2. "the customary use" of a phrase, Aeschin.