Where does “osu” come from?
osu (Kabuverdianu) comes from Portuguese osso, from Old Portuguese osso, from Latin ossum, from Latin ōs, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.
osu (Kabuverdianu): bone
Ancestry of “osu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Portuguese | osso | bone; a difficulty; difficult |
| 2 | Old Portuguese | osso | Alternative form of usso |
| 3 | Latin | ossum | bone; kernel, stone |
| 4 | Latin | ōs | — |
| 5 | Proto-Italic | ōs | — |
| 6 | Proto-Indo-European | h₃ésth₁ | bone |