Where does “demented” come from?

Demented comes from Middle French dément, from Latin demens, composed of de- and mens meaning "mind," literally "out of one's mind."

demented (English): Insane or mentally ill; Suffering from dementia;...

Definitions

  1. Insane or mentally ill; Suffering from dementia;...

Ancestry of “demented”, step by step

StepLanguageWordMeaning
1Englishdementinsane, demented; An insane person, or one...
2LatindementoI make mad or crazy, drive crazy; I bewitch; I...
3Latindēmēnsout of one’s mind or senses: mad, raving, insane, crazy; more generally: foolish, reckless, distracted, infatuated
4Latindē-of; from
5Latinof; concerning; about
6Latinpostbehind; after, since, besides, except; behind,...
7Latinposteablative singular of postis
8Proto-Italicpostibehind, after
9Proto-Indo-Europeanpóstiafter
10Proto-Indo-Europeanpósafterwards, post; by, at

Words derived from “demented

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