Where does “intervortex” come from?

intervortex (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.

intervortex (English): Between vortices

Definitions

  1. Between vortices

Ancestry of “intervortex”, step by step

intervortex 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 vortex

StepLanguageWordMeaning
1EnglishvortexA whirlwind, whirlpool, or similarly moving...
2Latinvortexwhirlpool, eddy, vortex
3Latinvortō—
4Proto-Italicwertōto turn
5Proto-Indo-Europeanwert-to turn, to rotate
6Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European -teros →Every word from Proto-Indo-European h₁énteros →Every word from Latin interus →