Where does “sootless” come from?

sootless (English) comes from English less, from Middle English les, from Old English lēas, from Proto-Germanic *laus.

sootless (English): Without soot

Definitions

  1. Without soot

Ancestry of “sootless”, step by step

sootless traces back through two separate lines of ancestry.

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

via English soot

StepLanguageWordMeaning
1EnglishsootFine black or dull brown particles of amorphous...
2Middle EnglishsootAlternative form of swete; soot
3Old Englishswōtsweet

Words derived from “sootless

Every word from Proto-Germanic *laus