By etymology, it means that it hides or hides. It means vault, cave, underground, gallery, catacomb, tomb. Structure covering a vault or a tomb. Underground site to bury dead or chamber to officiate religious rites. Mausoleum, tomb, tomb.
Underground place or dug into the rock to deposit the dead. Although it comes to us from Latin, the Romans took it from the Greek inspired by the verb 954; 961; 965; 960; 964; 969; ( "hide" ) .