Morpheme
-eum
Type
suffix
Denotation
noun suffix denoting a place, structure, object of function, or source of attribute (plural -ea)
Etymology
(1) Ancient Greek -eîon; (2) Latin -eum, from -eus
Evidence
calistheneum, castoreum, gyneceum, lyceum, museum, prytaneum, retineum
Notes
borrowed directly from Ancient Greek but less common than -ium