Where does “espinazo” come from?

espinazo (Spanish) comes from Spanish espina, from Catalan Espina, from Latin spīna, from Proto-Italic speinā, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

espinazo (Spanish): spine, backbone

Definitions

  1. spine, backbone

Ancestry of “espinazo”, step by step

espinazo traces back through two separate lines of ancestry.

via Spanish espina

StepLanguageWordMeaning
1Spanishespinathorn; fishbone; spine, backbone, spinal column
2CatalanEspinathorn, spike
3Latinspīnaa thorn or a thorny tree or shrub, such as whitethorn, hawthorn, or blackthorn
4Proto-Italicspeināthorn
5Proto-Indo-Europeanspēy-to stretch; thrive; succeed

via Galician espiña

StepLanguageWordMeaning
1Galicianespiñathorn
2Portugueseespinhabackbone; pimple
Every word from Proto-Indo-European spēy- →Every word from Proto-Italic speinā →Every word from Latin spīna →
espinazo — Etymology, Origin & Word History | Etymology Explorer