| 1 | Sanskrit | भीष्म | terrible, horrible, dreadful, frightening;... |
| 2 | Sanskrit | भी | fear, fright, alarm, dread; to fear, dread, be... |
| 3 | Proto-Indo-Aryan | bʰíHs | — |
| 4 | Proto-Indo-Iranian | bʰayH- | to fear |
| 5 | Proto-Indo-European | bʰíh₂s | — |
| 6 | Proto-Indo-European | bʰeyh₂- | to fear, be afraid; to strike, hit; to hew, cut |