Where does “vigorless” come from?

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

vigorless (English): With an absence of vigor

Definitions

  1. With an absence of vigor

Ancestry of “vigorless”, step by step

vigorless 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 vigor

StepLanguageWordMeaning
1EnglishvigorAlternative form of vigour

Words derived from “vigorless

Every word from Proto-Germanic *lausEvery word from Old English lēasEvery word from Middle English les