Where does “ais-” come from?
ais- (Irish) comes from Irish áis, from Old Irish ais, from Proto-Celtic *axsi-, from Proto-Celtic *axsilā, from Proto-Indo-European h₂eḱs-, from Proto-Indo-European h₂eǵ- — to drive.
ais- (Irish): re-, back
Ancestry of “ais-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | áis | convenience |
| 2 | Old Irish | ais | back |
| 3 | Proto-Celtic | *axsi- | — |
| 4 | Proto-Celtic | *axsilā | — |
| 5 | Proto-Indo-European | h₂eḱs- | axis, axle |
| 6 | Proto-Indo-European | h₂eǵ- | to drive |
Words derived from “ais-”