Word Study
hypogeum
CIDE DICTIONARY
hypogeum, n. [L., fr. Gr. , , subterranean; under + , , the earth.].
The subterraneous portion of a building, as in amphitheaters, for the service of the games; also, subterranean galleries, as the catacombs. [1913 Webster]
OXFORD DICTIONARY
hypogeum, n. (pl. hypogea) an underground chamber.
Etymology
L f. Gk hupogeion neut. of hupogeios: see HYPOGEAL
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