ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
[Seite 316] ion. = ὅπου, ὁπότε, Hippocr., Her.
ion. c. ὁπότε.