Where does “fiule” come from?

fiule (Middle High German) comes from Old High German fūlī, from Proto-Germanic fūlį̄, from Proto-Germanic fūlaz, from Proto-Indo-European pū- — rotten, putrid; be rotten; putrid; to rot, swell,...

Ancestry of “fiule”, step by step

StepLanguageWordMeaning
1Old High Germanfūlī—
2Proto-Germanicfūlį̄—
3Proto-Germanicfūlazfoul, dirty; rotten
4Proto-Indo-Europeanpū-rotten, putrid; be rotten; putrid; to rot, swell,...
Every word from Proto-Indo-European pū- →Every word from Proto-Germanic fūlaz →Every word from Proto-Germanic fūlį̄ →