Despotism is a form of government in which a single entity, called the 'despot', rules with absolute power. That entity may be an individual, as in an autocracy, or it may be a group, as in an oligarchy. The word "despotism" means to "rule in the fashion of a despot" and should not be confused with 'despot'.
Despot comes from the Greek despotes, which roughly means "master" or "one with power", and it has been used to translate a wide variety of titles and positions. It was used to describe the unlimited power and authority of the Pharaohs of Egypt, employed in the Byzantine court as a ...