mausoleum - "magnificent tomb," early 15c., from Latin mausoleum, from Greek Mausoleion, name of the massive marble tomb adorned with sculpture built 353 B.C.E.

mausoleum - "magnificent tomb," early 15c., from Latin mausoleum, from Greek Mausoleion, name of the massive marble tomb adorned with sculpture built 353 B.C.E. at Halicarnassus (Greek city in Asia Minor) for Mausolos, Persian satrap who made himself king of Caria.