θηεῦντο

From LSJ

ἐν πιθήκοις ὄντα δεῖ εἶναι πίθηκον → in Rome we do as the Romans do | when in Rome, do as the Romans do | when in Rome, do as the Romans | when in Rome, do like the Romans do | when in Rome | being among monkeys one has to be a monkey

Source

French (Bailly abrégé)

v. θηέομαι.

Russian (Dvoretsky)

θηεῦντο: и ἐθηεῦντο эп. 3 л. pl. impf. к θηέομαι.