mithraeum means an ancient temple or shrine where the god Mithra was worshipped. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
mithraeum is pronounced /mɪˈθɹi.əm/.
Why “mithraeum” is a great word
MITHRAEUM — [Noun] An ancient Roman subterranean sanctuary dedicated to the worship of the god Mithras. From New Latin *Mithraeum* (19th century), from Greek *Mithraîon*, from *Míthrās* (Mithras) + the Greek suffix *-aion* (denoting a place). Coined in the 19th century. Unlike a 'temple'—a general, often public, house of worship—or a 'basilica'—an imposing, light-filled civic hall—a mithraeum was a secretive, cave-like chamber for the rites of a mystery cult. It is the damp chill of a vaulted grotto beneath city streets, the flicker of a lamp on a central tauroctony relief, and the palpable silence of a bench-lined aisle where only sacred murmurs stirred the air—a deliberate architecture of exclusion, where the cosmos was mapped onto shadow and the world above was rendered profane.
noun
- An ancient temple or shrine where the god Mithra was worshipped.