Where does “intervalvular” come from?

intervalvular (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.

intervalvular (English): Between valves

Definitions

  1. Between valves

Ancestry of “intervalvular”, step by step

intervalvular 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 valvular

StepLanguageWordMeaning
1EnglishvalvularOf or pertaining to valves, such as those of the...
2Late Latinvalvularum
Every word from Proto-Indo-European -teros