athenaeum
noun
ath·e·nae·um ˌa-thə-ˈnē-əm 
variants or atheneum
1
: a building or room in which books, periodicals, and newspapers are kept for use
2
: a literary or scientific association
Word History
Etymology
Latin Athenaeum, a school in ancient Rome for the study of arts, from Greek Athēnaion, a temple of Athena, from Athēnē
First Known Use
1799, in the meaning defined at sense 1