Where does “spina” come from?

spina (English) comes from Latin spīna, from Proto-Italic speinā, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

spina (English): A spine; the backbone

Definitions

  1. A spine; the backbone

Ancestry of “spina”, step by step

StepLanguageWordMeaning
1Latinspīnaa thorn or a thorny tree or shrub, such as whitethorn, hawthorn, or blackthorn
2Proto-Italicspeināthorn
3Proto-Indo-Europeanspēy-to stretch; thrive; succeed
Every word from Proto-Indo-European spēy- →Every word from Proto-Italic speinā →Every word from Latin spīna →