Where does “spina” come from?
spina (Latin) comes from Proto-Italic speinā, from Proto-Indo-European spēy- — to stretch; thrive; succeed.
Ancestry of “spina”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Italic | speinā | — |
| 2 | Proto-Indo-European | spēy- | to stretch; thrive; succeed |