Where does “intertraffic” come from?

intertraffic (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.

intertraffic (English): Mutual traffic; trade back and forth between two...

Definitions

  1. Mutual traffic; trade back and forth between two...

Ancestry of “intertraffic”, step by step

intertraffic 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 traffic

StepLanguageWordMeaning
1EnglishtrafficPedestrians or vehicles on roads, or the flux or...
2Middle Frenchtrafiquetraffic
3Italiantrafficotraffic; trade; activity, rush
4Vulgar Latintransfricareto rub across
5Latinfricōto rub
6LatinfrioI crumble, rub, or break into pieces
7Proto-Italic*friāō
Every word from Proto-Indo-European -teros