omnilegent
adjective
om·nil·e·gent
(ˈ)äm¦niləjənt
: reading or having read everything : characterized by encyclopedic reading
no historians have been more omnilegent, more careful of the document
George Saintsbury
George Saintsbury
Word History
Etymology
omn- + Latin legent-, legens, present participle of legere to read