| 1 | Middle English | pulse | — |
| 2 | Latin | pulsus | pulse, impulse, beat, stroke; expelled, kicked... |
| 3 | Latin | pellō | — |
| 4 | Proto-Italic | pelnō | approach, go to; bring close |
| 5 | Proto-Indo-European | pelh₂- | to approach |
| 6 | Proto-Indo-European | pel- | to cover, to wrap; skin, hide, cloth; to fold |