Where does “os” come from?
os (Middle French) comes from Old French os, from Latin ossum, from Latin ōs, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.
os (Middle French): bone
Ancestry of “os”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old French | os | bone |
| 2 | Latin | ossum | bone; kernel, stone |
| 3 | Latin | ōs | — |
| 4 | Proto-Italic | ōs | — |
| 5 | Proto-Indo-European | h₃ésth₁ | bone |