plutocracy

Etymology

From Ancient Greek πλουτοκρατία (ploutokratía, “rule of the wealthy”), from πλουτοκρατέω (ploutokratéō, “I rule through wealth”), from πλοῦτος (ploûtos, “wealth”) + κρατέω (kratéō, “I rule”) (from κράτος (krátos, “power”, “might”)).