| 1 | Middle English | afternone | — |
| 2 | Middle English | none | Alternative form of nonne; Alternative form of... |
| 3 | Old English | nōn | noon; the ninth hour; the ninth hour |
| 4 | Latin | nōna | — |
| 5 | Latin | nōnus | — |
| 6 | Latin | novenos | accusative masculine plural of novēnus |
| 7 | Latin | novem | nine; 9; first-person singular present active... |
| 8 | Latin | novo | I make new, renew, refresh; I alter, change;... |
| 9 | Proto-Italic | nowāō | — |
| 10 | Proto-Indo-European | néweh₂ti | to renew |
| 11 | Proto-Indo-European | néwos | new |
| 12 | Proto-Indo-European | new- | new; to nod, assent to |