ὀλιγαρχεῖσθαι
From LSJ
Ἐπ' ἀνδρὶ δυστυχοῦντι μὴ πλάσῃς κακόν → Miseri miseriae ne quid affingas mali → Vermehre nicht dem Unglücksraben noch sein Leid
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.