ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
v. Ἐλευσίνιος.
Ἐλευσίνια: τά (sc. ἱερά) Элевсинские празднества Luc.