Where does “spinousness” come from?

spinousness (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.

spinousness (English): The quality of being spinous

Definitions

  1. The quality of being spinous

Ancestry of “spinousness”, step by step

spinousness traces back through two separate lines of ancestry.

via English spinous

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

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European spēy-Every word from Proto-Italic speināEvery word from Latin spīna