Etymograph

English

ipse dixit

Ipse dixit comes from Latin ipse dīxit ‘he himself said it’.

  1. Latinc. 75 BCE–200 CEipse dīxit‘he himself said it’
  2. Englishearliest quotation 1749ipse dixit

attested reconstructed ? uncertain or disputed

Lineage

  1. Latinc. 75 BCE–200 CEipse dīxit‘he himself said it’
  2. Englishearliest quotation 1749ipse dixit

Earliest quotation: 1749, Henry Fielding, Of the Serious in Writing; and for What Purpose It Is Introd: “To, avoid, therefore, all Imputation of laying down a…”

Made of the words ipse + dixit

Proto-Indo-European *deḱ- ‘to offer’

Sanskrit दीक्ष् ‘to consecrate’

Sanskrit दीक्षित ‘consecrated’

English dixit

The story

Originally used by the followers of Pythagoreanism, who claimed this or that proposition to be uttered by Pythagoras himself. Extended during the Middle Ages to the statements of Aristotle, and more famously used in such contexts.

Today it means

noun A dogmatic and unproved proposition or dictum that is accepted solely on the authority of someone who is known to have asserted it.

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

Etymograph / Latin ipse dīxit / ipse dixit