Where does “overground” come from?

overground (English) comes from English ground, from Middle English ground, from Old English grund, from Proto-Germanic grunduz, from Proto-Indo-European gʰrem-, from Proto-Indo-European gʰer- — to rub; to stroke; to grind.

overground (English): above the ground

Definitions

  1. above the ground

Ancestry of “overground”, step by step

StepLanguageWordMeaning
1EnglishgroundThe surface of the Earth, as opposed to the sky...
2Middle Englishgroundground; Earth
3Old Englishgrundground; bottom, foundation; abyss, depths
4Proto-Germanicgrunduzground, foundation
5Proto-Indo-Europeangʰrem-to be angry; to sound, bellow, growl, roar, be...
6Proto-Indo-Europeangʰer-to rub; to stroke; to grind
Every word from Proto-Indo-European gʰer-