ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
P. ἀξιόπιστος, P. and V. ἐχέγγυος (Thuc. but rare P.), φερέγγυος (Thuc. but rare P.), Ar. and P. ἀξιόχρεως (also Eur., but rare V.).