A named power in a pantheon — in this house's architecture, the Greek names the realms wear (Athena's library, Hermes' bazaar): organizing spirits, never objects of worship.
Latin deitas (godhood, divinity), from deus (god), from Proto-Indo-European *deiwos (heavenly, shining); a named power in a pantheon, borrowed here as an organizing spirit rather than an object of worship.
The Latin root, deus, carries a shine — an old word for the sky's own brightness before it ever named a single god. This house borrows the shine as a label for its rooms and never asks the label to be believed in.