Where does “oleo” come from?
oleo (Latin) comes from Proto-Italic oleō, from Proto-Indo-European h₂oléye-, from Proto-Indo-European h₂él-.
Ancestry of “oleo”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Italic | oleō | — |
| 2 | Proto-Indo-European | h₂oléye- | — |
| 3 | Proto-Indo-European | h₂él- | — |