ἀγκαλέσαιτο

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

French (Bailly abrégé)

3ᵉ sg. opt. ao. Moy. de ἀγκαλέω.