veteratorius
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
Latin > English (Lewis & Short)
vĕtĕrātōrĭus: a, um, adj. veterator, II. A.,
I crafty. cunning, sly (Ciceronian): nihil ab isto tectum, nihil veteratorium exspectaveritis: omnia aperta, omnia perspicua reperientur, Cic. Verr. 2, 1, 54, § 141; so, ratio dicendi, id. Brut. 75, 261.—* Adv.: vĕtĕrātōrĭē, craftily, cunningly, slyly: dicere (with acute), Cic. Or. 28, 99.
Latin > French (Gaffiot 2016)
vĕtĕrātōrĭus,¹⁶ a, um (veterator), de vieux routier : Cic. Verr. 2, 1, 41 || qui sent le métier : Cic. Br. 261.