epularis
From LSJ
ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
Latin > English (Lewis & Short)
ĕpŭlāris: e, adj. epulum,
I of or belonging to a banquet.
I Adj.: epularis accubitio amicorum, at a banquet, Cic. de Sen. 13 fin.: sacrificium ludorum, id. de Or. 3, 19 fin.; cf. 1. epulo, II.: sermo, App. M. 2, p. 123.—
II Subst.: EPULARES appellabantur, qui in quibusdam ludis nocte epulabantur, Paul. ex Fest. p. 82, 10 Müll.