noun, masculine/espiˈnaθo/plural: espinazos
spine, backbone
Synonyms: espina
Etymology tree Proto-Indo-European *spey-der. Proto-Italic *speinā Latin spīna Old Spanish espina Spanish espina Proto-Indo-European *-eh₂-k-s Proto-Italic *-āks Latin -āx Proto-Indo-European *-yósder. Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin -āceus Spanish -azo Spanish espinazo From espina + -azo.