αρχέλαος

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

Greek Monolingual

ἀρχέλαος, -ον (Α)
ο αρχηγός ή ο ηγεμόνας λαών.