| 1 | English | crypt | A cave or cavern; An underground vault,... |
| 2 | Latin | crypta | underground passage, tunnel; crypt; underground... |
| 3 | Ancient Greek | κρυπτός | concealed, hidden, secret |
| 4 | Ancient Greek | κρύπτω | to hide, cover; to conceal, obscure |
| 5 | Proto-Indo-European | krāu- | — |