ἀναζυμόω
From LSJ
κρατίστην εἶναι δημοκρατίαν τὴν μήτε πλουσίους ἄγαν μήτε πένητας ἔχουσαν πολίτας → the best democracy is that in which the citizens are neither very rich nor very poor (Thales/Plutarch)
English (LSJ)
A raise as by leaven, loosen, χιὼν ἀ. καὶ μανοῖ τὴν γῆν Thphr.CP3.23.4, cf. Gal.11.435:—Pass., ferment, D.S.1.7.