Where does “interdeltaic” come from?

interdeltaic (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.

interdeltaic (English): The intertidal portion of a coastal river delta

Definitions

  1. The intertidal portion of a coastal river delta

Ancestry of “interdeltaic”, step by step

interdeltaic 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 deltaic

StepLanguageWordMeaning
1EnglishdeltaicOf or pertaining to a river delta; Shaped like...
2Frenchdeltaïquedeltaic; delta
3French-iqueUsed to form adjectives from nouns: -ic, -ical,...
4Middle French-iqueic
5Old French-ique-ic
6Latin-icusbelonging to; derived from; of or pertaining to;...
7Proto-Italic*-ikosforms adjectives with the sense of 'of or pertaining to'
Every word from Proto-Indo-European -teros