Where does “interspinous” come from?

interspinous (English) comes from English inter, from Middle English enteren, from French entrer, from Middle French entrer, from Old French entrer, from Latin intrō, from Latin intra, from Latin interus — Contrastive or oppositional adjectival suffix.

interspinous (English): Interspinal

Definitions

  1. Interspinal

Ancestry of “interspinous”, step by step

interspinous traces back through two separate lines of ancestry.

via English inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix

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 -teros