Where does “interdrainage” come from?

interdrainage (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.

interdrainage (English): Between the drainage areas of river systems

Definitions

  1. Between the drainage areas of river systems

Ancestry of “interdrainage”, step by step

interdrainage 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 drainage

StepLanguageWordMeaning
1EnglishdrainageA natural or artificial removal of fluid from a...
2EnglishdrainA conduit allowing liquid to flow out of an...
3Middle Englishdreinen
4Old Englishdrēahnianto drain, strain, filter
5Proto-Germanicdrauhnōnąto strain, sieve
6Proto-Germanicdraugizhard, solid; dry
7Proto-Indo-Europeandʰerǵʰ-to strengthen; to strengthen; become hard; to...
8Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European -teros