sacellum
noun
sa·cel·lum
səˈkeləm,
səˈse-
plural sacella
-lə
1
: a small monumental chapel in a church
2
: an unroofed space in an ancient Roman building consecrated to a divinity
Word History
Etymology
Latin, pagan Roman sacellum, diminutive of sacrum sanctuary, sacred object, from neuter of sacer sacred