Where does “aspinous” come from?

aspinous (English) comes from English A, from English AND, from Middle English and, from Old English and, from Proto-Germanic andi, from Proto-Indo-European h₂énti, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent- — on, onto.

aspinous (English): Lacking spines

Definitions

  1. Lacking spines

Ancestry of “aspinous”, step by step

aspinous traces back through two separate lines of ancestry.

via English A

StepLanguageWordMeaning
1EnglishAThe ordinal number first, derived from this...
2EnglishANDAlternative form of ∧, the conjunction operator;...
3Middle Englishandand, and then; however, yet, but, though. while;...
4Old Englishandand; even; also
5Proto-Germanicandiin addition, furthermore, and
6Proto-Indo-Europeanh₂éntiopposite; near; in front
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto

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
Every word from Proto-Indo-European h₂en-