Where does “an” come from?
an (Middle Welsh) comes from Middle Welsh yn, from Proto-Brythonic ɨn, from Proto-Celtic eni, from Proto-Indo-European én — in.
an (Middle Welsh): Alternative form of yn
Ancestry of “an”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle Welsh | yn | grammatical particle used in conjunction with bot... |
| 2 | Proto-Brythonic | ɨn | in |
| 3 | Proto-Celtic | eni | — |
| 4 | Proto-Indo-European | én | in |