English
foolishment
From foolish + -ment.
Formed from foolish + -ment
Latin follis ‘bellows’
Old French fol
Middle English fol ‘fool’
Middle English folisch ‘Foolish, erroneous, ridiculous’
English foolish
Today it means
noun foolish behavior; folly
Language periods are conventional ranges, not dates for this word.
Etymograph / foolishment