|pälē|histə(r), -lə̇|h- noun
also poly·his·to·ri·an ˌ ̷ ̷ ̷ ̷(ˌ)hiˈstōrēən
( -s )
Etymology: polyhistor from Greek polyistōr very learned, from poly- very (from polys very, much, many) + histōr judge, learned, knowing; polyhistorian from polyhistor + -an — more at history
: polymath