martyrium
noun
mar·tyr·i·um
märˈtirēəm
plural martyria
-ēə
1
: a building or chamber used by the early Christians as a burial place
2
: a place where the relics of martyrs are preserved
Word History
Etymology
Late Latin, testimony, martyr's shrine, from Late Greek martyrion martyr's shrine, from Greek, testimony, from martyr-, martys witness