Where does “grubble” come from?

grubble (English) comes from English grub, from Old English grubbian, from Proto-Germanic grubb-, from Proto-Germanic grub- — to dig.

grubble (English): To feel or grope in the dark

Definitions

  1. To feel or grope in the dark

Ancestry of “grubble”, step by step

StepLanguageWordMeaning
1EnglishgrubAn immature stage in the life cycle of an insect;...
2Old Englishgrubbian—
3Proto-Germanicgrubb-—
4Proto-Germanicgrub-to dig
Every word from Proto-Germanic grub- →
grubble — Etymology, Origin & Word History | Etymology Explorer