autocrator
noun
au·toc·ra·tor
ȯˈtäkrətə(r)
plural -s
: autocrat
Word History
Etymology
Russian & Late Latin; Russian avtokrator & Late Latin autocrator, from Greek autokratōr absolute ruler, absolute, from aut- + -kratōr (from kratein to rule, from kratos power)
First Known Use
1718, in the meaning defined above