Definition of autarch in English:

autarch

noun

  • A ruler who has absolute power.

    • ‘It's an anarchic assemblage of petty autocracies with numerous additional charismatic nobles advising the autarchs.’
    • ‘Early in his essay, the editor makes it clear that his warning is against all autarchs.’
    • ‘But in the old Citadel in the enormous city, they still exist: two Masters, some journeymen and the apprentices, all locked up in their tower, doing the biddings of the judges and the autarchs, inflicting pain and ending lives.’

Origin

Early 19th century: from Greek autarkhos, from autos ‘self’ + arkhos ‘leader’.

Pronunciation

autarch

/ˈôtärk/