vicegerent

noun

vice·​ge·​rent ˈvīs-ˈjir-ənt 

ˌvīs-

: an administrative deputy of a king or magistrate

Word History

Etymology

Medieval Latin vicegerent-, vicegerens, from Late Latin vice- + Latin gerent-, gerens, present participle of gerere to carry, carry on

First Known Use

1536, in the meaning defined above