Where does “madhouse” come from?

Madhouse comes from English mad and house, where house derives from Middle English hus, from Proto-Indo-European éǵh₂ meaning to dwell.

madhouse (English): A house where insane persons are confined; an...

Definitions

  1. A house where insane persons are confined; an...

Ancestry of “madhouse”, step by step

madhouse traces back through two separate lines of ancestry.

via English House

StepLanguageWordMeaning
1EnglishHouseA particular chamber of political representation
2Middle Englishhoushouse, residence; house of worship, temple;...
3Old Englishhūsdwelling, shelter, house; house
4Proto-West Germanichūshouse
5Proto-Germanichūsąhouse
6Proto-Indo-European(s)kewH-to cover, bedeck; cover

via English MAD

StepLanguageWordMeaning
1EnglishMADInitialism of mutually assured destruction;...
2Middle EnglishmadMad, insane, deranged; not of sound mind;...
3Old Englishġemǣd
4Proto-Germanicmaidijanąto exchange, change
5Proto-Germanicmaidazhurt, wounded; mad, foolish; angry, enraged
6Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European (s)kewH-Every word from Proto-Germanic hūsąEvery word from Proto-West Germanic hūs
madhouse — Etymology, Origin & Word History | Etymology Explorer