Where does “drule” come from?

drule (English) comes from English drivel, from Middle English drevelen, from Old English dreflian, from Proto-Germanic drablijaną, from Proto-Indo-European dʰerebʰ- — cloudy, turbid; yeast.

Ancestry of “drule”, step by step

StepLanguageWordMeaning
1Englishdrivelsenseless talk; nonsense; saliva, drool; A fool;...
2Middle Englishdrevelen
3Old Englishdreflianto drivel, slobber, slaver
4Proto-Germanicdrablijaną
5Proto-Indo-Europeandʰerebʰ-cloudy, turbid; yeast

Words derived from “drule

Every word from Proto-Indo-European dʰerebʰ-Every word from Proto-Germanic drablijanąEvery word from Old English dreflian