Where does “oss-” come from?
oss- (Old Irish) comes from Proto-Celtic uss-, from Proto-Indo-European úd-s-.
oss- (Old Irish): up, off
Ancestry of “oss-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Celtic | uss- | — |
| 2 | Proto-Indo-European | úd-s- | — |
Words derived from “oss-”