Where does “Faulfliege” come from?

Faulfliege (German) comes from German fliege, from Middle High German fliege, from Old High German flioga, from Proto-Germanic fleugǭ, from Proto-Germanic fleuganą, from Proto-Indo-European plewk-, from Proto-Indo-European plew- — to fly, flow, run.

Faulfliege (German): A fly belonging to family Lauxaniidae, many species of which are saprophagous

Definitions

  1. A fly belonging to family Lauxaniidae, many species of which are saprophagous

Ancestry of “Faulfliege”, step by step

Faulfliege traces back through two separate lines of ancestry.

via German fliege

StepLanguageWordMeaning
1Germanfliegeinflection of fliegen: ## first-person singular...
2Middle High Germanfliege
3Old High Germanfliogafly
4Proto-Germanicfleugǭflying insect, fly
5Proto-Germanicfleuganąto fly
6Proto-Indo-Europeanplewk-to fly, flow, run; to splash, to flap with hands
7Proto-Indo-Europeanplew-to fly, flow, run

via German faul

StepLanguageWordMeaning
1Germanfaulrotten; lazy
2Middle High Germanvūl
3Old High Germanfūl
4Proto-West Germanicfūlfoul, dirty
5Proto-Germanicfūlazfoul, dirty; rotten
6Proto-Indo-Europeanpū-rotten, putrid; be rotten; putrid; to rot, swell,...
Every word from Proto-Indo-European plew-