Where does “groundwave” come from?

groundwave (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.

groundwave (English): A signal that propagates along the surface of the...

Definitions

  1. A signal that propagates along the surface of the...

Ancestry of “groundwave”, step by step

groundwave traces back through two separate lines of ancestry.

via English ground

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

via English wave

StepLanguageWordMeaning
1EnglishwaveTo move back and forth repeatedly and somewhat...
2Middle EnglishwaweA wave; Any sort of flowing or spurting motion;...
3Old Englishwǣġa weight; a tool for weighing, balance, scale
4Proto-Germanicwēgazwave; sea
5Proto-Indo-Europeanweǵʰ-to bring; to transport
Every word from Proto-Indo-European gʰer-Every word from Proto-Indo-European gʰrem-Every word from Proto-Germanic grunduz