Where does “авторитаризъм” come from?

авторитаризъм (Bulgarian) comes from Russian авторитаризм, from French autoritarisme, from French autoritaire, from French autorité, from Old French autorité, from Latin auctōritās, from Latin auctor, from Latin augeō.

авторитаризъм (Bulgarian): authoritarianism a system of political governance based on complete subordination of the individual to state authority