| 1 | English | nerve | A bundle of neurons with their connective tissue... |
| 2 | Middle English | nerve | — |
| 3 | Medieval Latin | nervus | nerve; A sinew, tendon, nerve, muscle; A cord,... |
| 4 | Latin | nervus | A sinew, tendon, nerve, muscle; A cord, string or... |
| 5 | Proto-Indo-European | (s)new- | — |