Where does “filthless” come from?

filthless (English) comes from English filth, from Middle English filth, from Old English fȳlþu, from Proto-West Germanic fūliþu, from Proto-West Germanic fūl, from Proto-Germanic fūlaz, from Proto-Indo-European pū- — rotten, putrid; be rotten; putrid; to rot, swell,...

filthless (English): Free of filth; clean; pure

Definitions

  1. Free of filth; clean; pure

Ancestry of “filthless”, step by step

filthless traces back through two separate lines of ancestry.

via English filth

StepLanguageWordMeaning
1EnglishfilthDirt; foul matter; that which soils or defiles;...
2Middle Englishfilth
3Old Englishfȳlþufilth
4Proto-West Germanicfūliþufoulness, rottenness, filth
5Proto-West Germanicfūlfoul, dirty
6Proto-Germanicfūlazfoul, dirty; rotten
7Proto-Indo-Europeanpū-rotten, putrid; be rotten; putrid; to rot, swell,...

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European pū-Every word from Proto-Germanic fūlazEvery word from Proto-West Germanic fūl