Where does “an” come from?
an (Scottish Gaelic) comes from Old Irish ín, from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.
an (Scottish Gaelic): the; their; in
Ancestry of “an”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Irish | ín | fast, period of fasting |
| 2 | Proto-Celtic | sindos | this |
| 3 | Proto-Indo-European | sḗm | one |
| 4 | Proto-Indo-European | sem- | together, one |