Where does “interworld” come from?

interworld (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.

interworld (English): A world between other worlds

Definitions

  1. A world between other worlds

Ancestry of “interworld”, step by step

interworld 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 World

StepLanguageWordMeaning
1EnglishWorldThe specific world, or any of several specific constituent worlds, that humans live in, among any other (real or possible) worlds
2Middle EnglishworldThe world, the planet; A dimension, realm, or...
3Old Englishweoroldworld
4Proto-West Germanicweraldiworld
5Proto-Germanicweraldizlifetime, worldly existence; mankind; world
6Proto-Germanicwerazman; husband
7Proto-Indo-EuropeanwiHrósman; husband; warrior, hero
8Proto-Indo-Europeanweyh₁-to chase, pursue; to suppress, persecute
Every word from Proto-Indo-European -terosEvery word from Proto-Indo-European h₁énterosEvery word from Latin interus