Where does “oss” come from?
oss (Old Irish) comes from Proto-Celtic uxsū, from Proto-Indo-European uksḗn, from Proto-Indo-European h₂ug-s-ḗn.
Ancestry of “oss”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Celtic | uxsū | ox, stag |
| 2 | Proto-Indo-European | uksḗn | bull |
| 3 | Proto-Indo-European | h₂ug-s-ḗn | — |