consuetio
From LSJ
Latin > English (Lewis & Short)
consŭētĭo: ōnis, f. consuesco, II. B.,
I carnal intercourse: clandestina, Plaut. Am. 1, 2, 28; cf. Paul. ex Fest. p. 61, 4 Müll.; Don. ad Ter. Ad. 4, 5, 32.
Latin > French (Gaffiot 2016)
cōnsuētĭō,¹⁶ ōnis, f., commerce, liaison : Pl. Amph. 490 ; P. Fest. 61.