Where does “intercavitary” come from?

intercavitary (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.

intercavitary (English): Between cavities of the body

Definitions

  1. Between cavities of the body

Ancestry of “intercavitary”, step by step

intercavitary 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 cavitary

StepLanguageWordMeaning
1EnglishcavitaryOf or pertaining to a cavity
2Latincavitascavity
3Latincavushollow, concave; excavated, channeled;...
4Proto-Italickawos
5Proto-Indo-Europeanḱowh₁óshollow
6Proto-Indo-Europeanḱewh₁-to swell; to be strong
Every word from Proto-Indo-European -terosEvery word from Proto-Indo-European h₁énterosEvery word from Latin interus