Where does “bumpless” come from?

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

bumpless (English): Without bumps

Definitions

  1. Without bumps

Ancestry of “bumpless”, step by step

bumpless 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 bump

StepLanguageWordMeaning
1EnglishbumpA light blow or jolting collision; The sound of...

Words derived from “bumpless

Every word from Proto-Germanic *laus
bumpless — Etymology, Origin & Word History | Etymology Explorer