Where does “scumless” come from?

scumless (English) comes from English scum, from Middle English scum, from Middle Dutch schūme, from Old Dutch *scūm, from Frankish skūm, from Proto-Germanic skūmaz, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

scumless (English): Free of scum

Definitions

  1. Free of scum

Ancestry of “scumless”, step by step

scumless traces back through two separate lines of ancestry.

via English scum

StepLanguageWordMeaning
1EnglishscumA layer of impurities that accumulates at the...
2Middle Englishscum
3Middle Dutchschūmefoam
4Old Dutch*scūm
5Frankishskūmfoam; froth, foam
6Proto-Germanicskūmazfilm; grime; scum; foam; froth; yeast
7Proto-Indo-European(s)kewH-to cover, bedeck; cover

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 (s)kewH-Every word from Proto-Germanic skūmazEvery word from Frankish skūm