Where does “oro” come from?
oro (Lithuanian) comes from Lithuanian oras, from Lithuanian árti, from Proto-Balto-Slavic árˀtei, from Proto-Indo-European h₂éryeti, from Proto-Indo-European h₂erh₃-, from Proto-Indo-European h₁er- — earth.
oro (Lithuanian): genitive of oras
Ancestry of “oro”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Lithuanian | oras | air |
| 2 | Lithuanian | árti | plough |
| 3 | Proto-Balto-Slavic | árˀtei | to plow/plough |
| 4 | Proto-Indo-European | h₂éryeti | to be ploughing |
| 5 | Proto-Indo-European | h₂erh₃- | to plough |
| 6 | Proto-Indo-European | h₁er- | earth |