Etymology Explorer › English

Where does “rainforest” come from?

Rainforest combines English rain with forest, which derives from Old French forest, from Latin foris meaning "outside," ultimately from Proto-Indo-European dʰwer- meaning "door" or "threshold."

rainforest (English): A forest in a climate with high annual rainfall...

Definitions

  1. A forest in a climate with high annual rainfall...

Ancestry of “rainforest”, step by step

StepLanguageWordMeaning
1GermanRegenwaldrainforest
2Germanwald—
3Middle High Germanwalt—
4Old High Germanwaldforest
5Proto-West Germanicwalþuforest
6Proto-Germanicwalþuzforest
7Proto-Indo-Europeanwel-to see

Words derived from “rainforest”

  • rainforested
  • nonrainforest
  • rainforestation
Every word from Proto-Indo-European wel- →