polyhistor

noun

poly·​his·​tor ˌpä-lē-ˈhi-stər 

: polymath

polyhistoric

ˌpä-lē-hi-ˈstȯr-ik 

-ˈstär-

adjective

Word History

Etymology

Greek polyistōr very learned, from poly- + istōr, histōr learned — more at history

First Known Use

1588, in the meaning defined above