| 1 | English | age | The whole duration of a being, whether animal,... |
| 2 | Middle English | age | Alternative form of awe; The age of someone ; the... |
| 3 | Old French | aage | age |
| 4 | Vulgar Latin | aetaticum | age |
| 5 | Latin | aetās | — |
| 6 | Latin | aevitās | — |
| 7 | Proto-Italic | aiwotāts | age |
| 8 | Proto-Indo-European | h₂eyu- | vitality; eternal; vital force, life, long life,... |
| 9 | Proto-Indo-European | h₂ey- | vital force, life, age, eternity; day, morning |