Μεγαλόπολις
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
Russian (Dvoretsky)
Μεγᾰλόπολις: εως ἡ Мегалополь (город в южн. Аркадии) Xen. etc.