Μεγαλοπολίτης
From LSJ
μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
Russian (Dvoretsky)
Μεγᾰλοπολίτης: ου (ῑ) ὁ мегалополитанец, житель или уроженец Мегалополя Xen. etc.