ὀλιγαρχεῖσθαι

From LSJ

κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → fortune is common to all, the future is unknown | fortune is common to all and the future unknown | fate is common to all and the future unknown

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ὀλιγαρχέω): be governed by an oligarchy

Lexicon Thucydideum

paucorum imperio uti, to be under the rule of a few, 5.31.6, 8.63.3, 8.63.38.76.1, 8.91.3.