Where does “sacrospinous” come from?

sacrospinous (English) comes from English spinous, from English spine, from Middle English spyne, from Old French espine, from Latin spīna, from Proto-Italic speinā, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

sacrospinous (English): Pertaining to the sacrum and spine

Definitions

  1. Pertaining to the sacrum and spine

Ancestry of “sacrospinous”, step by step

StepLanguageWordMeaning
1EnglishspinousHaving many spines; Spine-like; spiny; Of a...
2EnglishspineThe series of bones situated at the back from the...
3Middle EnglishspyneA spine
4Old Frenchespinespine; backbone; spine; spike
5Latinspīnaa thorn or a thorny tree or shrub, such as whitethorn, hawthorn, or blackthorn
6Proto-Italicspeināthorn
7Proto-Indo-Europeanspēy-to stretch; thrive; succeed
Every word from Proto-Indo-European spēy-Every word from Proto-Italic speināEvery word from Latin spīna
sacrospinous — Etymology, Origin & Word History | Etymology Explorer