Etymograph

English

delusion

Delusion comes from Latin dēlūsiō ‘a deceiving, deluding, a delusion’, and goes back to lūdō ‘to play’.

  1. Latinc. 75 BCE–200 CElūdō‘to play’
  2. Latin, derivedc. 75 BCE–200 CEdēlūdō‘to deceive or dupe’
  3. Latin, derivedc. 75 BCE–200 CEdēlūsiō‘a deceiving, deluding, a delusion’
  4. Englishearliest quotation 1960delusion

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Latinc. 75 BCE–200 CElūdō‘to play’
  2. Latin, derivedc. 75 BCE–200 CEdēlūdō‘to deceive or dupe’
  3. Latin, derivedc. 75 BCE–200 CEdēlūsiō‘a deceiving, deluding, a delusion’
  4. Englishearliest quotation 1960delusion

Earliest quotation: 1960, William L. Shirer, New York: Simon & Schuster: “Hess, always a muddled man though not so doltish…”

Linked words

through Latin lūdō ‘to play’

illusion, ludicrous, interlude, prelude, elusive, collusion, allude, elude, collude, allusive, 17 more

through Latin dēlūdō ‘to deceive or dupe’

delude

Today it means

noun An adamant belief in a falsehood despite incontestable evidence.

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin lūdō / delusion