| 1 | Italian | calmo | calm, peaceful, quiet, still; first-person... |
| 2 | Italian | calmare | to calm, calm down; to relieve, lessen, ease,... |
| 3 | Italian | calma | calm, stillness, peacefulness; tranquility, peace... |
| 4 | Latin | cauma | heat; heat of the day |
| 5 | Ancient Greek | καῦμα | burning, glow, heat; fever; holes cut by cautery |
| 6 | Ancient Greek | καίω | I light, kindle, set on fire; I burn, burn up; I... |
| 7 | Proto-Hellenic | *káyyō | — |