Where does “groundwork” come from?

Groundwork combines English ground with English work, which derives from Old Norse grind, ultimately from Proto-Indo-European roots gʰr̥mtu- and wer- meaning to turn or grind.

groundwork (English): The foundation; the basic or fundamental parts...

Definitions

  1. The foundation; the basic or fundamental parts...

Ancestry of “groundwork”, step by step

groundwork traces back through two separate lines of ancestry.

via English work

StepLanguageWordMeaning
1Englishwork"Employment."; "Effort."; Sustained effort to...
2Middle Englishwerkwork
3Old Englishweorcwork, in various senses, including
4Proto-West Germanicwerkwork
5Proto-Germanicwerkąwork
6Proto-Indo-Europeanwérǵomwork
7Proto-Indo-Europeanwerǵ-to make

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
Every word from Proto-Indo-European werǵ-Every word from Proto-Indo-European wérǵomEvery word from Proto-Germanic werką