Where does “delirium” come from?

Delirium comes from Latin delirium, from Latin deliro meaning to be mad, from Latin de- and a root related to Proto-Indo-European leys-.

delirium (English): A temporary mental state with a sudden onset,...

Definitions

  1. A temporary mental state with a sudden onset,...

Ancestry of “delirium”, step by step

StepLanguageWordMeaning
1Latindēlīriumdelirium, madness, frenzy
2Latindēlīrōto deviate from the straight track
3Latindē-of; from
4Latinof; concerning; about
5Latinpostbehind; after, since, besides, except; behind,...
6Latinposteablative singular of postis
7Proto-Italicpostibehind, after
8Proto-Indo-Europeanpóstiafter
9Proto-Indo-Europeanpósafterwards, post; by, at

Words derived from “delirium

Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti