Etymology Explorer › English

Where does “delusional” come from?

Delusional comes from English delusion, which combines Latin de- meaning "away" with Latin -tio, a suffix forming nouns from verbs, ultimately from Proto-Indo-European de-.

delusional (English): Suffering from or characterized by delusions; A...

Definitions

  1. Suffering from or characterized by delusions; A...

Ancestry of “delusional”, step by step

StepLanguageWordMeaning
1EnglishdelusionA false belief that is resistant to confrontation...
2Latindelusioa deceiving, deluding, a delusion
3Latin-tiō—
4Latindissertātiō—
5Latindissertusarranged, disposed; explained
6Latindissereresecond-person singular future passive indicative...
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

Words derived from “delusional”

  • delusionally
  • nondelusional
  • delusionality
  • predelusional
  • undelusional
Every word from Ancient Greek χάλιξ →