Where does “interpenetrative” come from?

interpenetrative (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.

interpenetrative (English): Mutually penetrative

Definitions

  1. Mutually penetrative

Ancestry of “interpenetrative”, step by step

interpenetrative 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 penetrative

StepLanguageWordMeaning
1EnglishpenetrativeOf, pertaining to, or involving penetration;...
2Middle Englishpenetratyve
3Medieval Latinpenetrativus
4Latinpenētrāre

Words derived from “interpenetrative

Every word from Proto-Indo-European -terosEvery word from Proto-Indo-European h₁énterosEvery word from Latin interus
interpenetrative — Etymology, Origin & Word History | Etymology Explorer