Where does “Athēnaeum” come from?

Athēnaeum (Latin) comes from Ancient Greek Ἀθηναῖον, from Ancient Greek Ἀθήνη — Athene; Athena.

Ancestry of “Athēnaeum”, step by step

Athēnaeum traces back through two separate lines of ancestry.

via Ancient Greek Ἀθηναῖον

StepLanguageWordMeaning
1Ancient GreekἈθηναῖονAn Athenaeum: a temple of Athena
2Ancient GreekἈθήνηAthene; Athena

via Ancient Greek Ᾰ̓θήναιον

StepLanguageWordMeaning
1Ancient GreekᾸ̓θήναιονAn Athenaeum: a temple of Athena

Words derived from “Athēnaeum

Every word from Ancient Greek ἈθήνηEvery word from Ancient Greek Ἀθηναῖον