Where does “foolish” come from?

Foolish comes from Middle English folisch, derived from Old French fol and Latin follis, ultimately from Proto-Indo-European bʰel-.

foolish (English): Lacking good sense or judgement; unwise;...

Definitions

  1. Lacking good sense or judgement; unwise;...

Ancestry of “foolish”, step by step

StepLanguageWordMeaning
1Middle EnglishfolischFoolish, erroneous, ridiculous; Sinful,...
2Middle EnglishfolAlternative form of fole
3Old Frenchfolmad; insane; foolish; silly
4Latinfollisbellows; purse, sack, money bag; a small value...
5Proto-Indo-Europeanbʰelǵʰ-to swell
6Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
7Proto-Indo-Europeanbʰōl-

Words derived from “foolish

Every word from Proto-Indo-European bʰōl-
foolish — Etymology, Origin & Word History | Etymology Explorer