autocracy

Etymology

From auto- + -cracy, from Ancient Greek αὐτοκρατία (autokratía, “A system of government by one person with absolute power.”), from αὐτός (autós, “single, self, same, alone”) + κράτος (krátos, “power”) + -ία (-ía, “feminine abstract nouns suffix”); see also Ancient Greek αὐτοκρατής (autokratḗs, “one who governs alone”).

noun

1. (uncountable) A form of government in which unlimited power is held by a single individual.
2. (countable) An instance of this government.