ἐνέρεισμα

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

Source

Spanish (DGE)

-ματος, τό soporte Eust.140.17, cf. 451.30.