Where does “spinal” come from?

Spinal comes from Late Latin spinalis, formed with the Latin suffix -alis from Proto-Italic speinā, which derives from Proto-Indo-European spey-.

spinal (English): Of or relating to the spine; Having a pithed...

Definitions

  1. Of or relating to the spine; Having a pithed...

Ancestry of “spinal”, step by step

StepLanguageWordMeaning
1Latinspīnālisof or belonging to the spine; spinal
2Latinspīnaa thorn or a thorny tree or shrub, such as whitethorn, hawthorn, or blackthorn
3Proto-Italicspeināthorn
4Proto-Indo-Europeanspēy-to stretch; thrive; succeed

Words derived from “spinal

Every word from Proto-Indo-European spēy-