Etymologically

Etymology and origin of the French word disserter

Confidence
Established
Formation
Borrowing
First attested
1722 Marivaux, Le Spectateur français More words from the 18th century
Borrowed from
Latin disserto
Ultimate origin
Latin serō
Etymology tree
inherited borrowed derived
Latin sērus
Latin sērō
French soir
Latin disserō
Latin dissertō
French disserter
From the same root
Latin asserō ← sērō
Latin cōnserō ← sērō
Latin dēserō ← sērō
Latin exserō ← sērō
Latin īnserō ← sērō
Latin obserō ← sērō
Latin praesertim ← sērō
Latin satiō ← sērō
Latin sator ← sērō
Latin sēra ← sērō
Latin seriēs ← sērō
Latin sērōtinus ← sērō
French bonsoir ← soir
French soirée ← soir
Latin edissero ← disserō
Latin dissertātiō ← dissertō

Pronunciation

  • /di.sɛʁ.te/[1]

Forms

disserter[1]

Etymology

It is borrowed from Latin dissertō (“to discuss, expound”), an imperial Latin verb.[2][3] The TLFi dates the borrowing to 1722 in Marivaux; the DHLF gives 1722 in Saint-Simon, the Grand Robert and the GLLF the end of the 17th century in Saint-Simon, and Bloch and Wartburg 1723.[2][3][4][5][6]

The Latin verb is the frequentative of disserō (“to set out ideas in order, discuss”), from dis- and serō (“to join, link”), the verb behind série.[3][4][7] Cognate with Italian dissertare.[1]

Earliest recorded meaning

It is first found in Marivaux's Spectateur français in 1722, meaning to set out arguments on a learned subject.[2]

Semantic evolution

The French verb kept the Latin sense, but it is intransitive (disserter sur, disserter de).[3][5] By extension it took on the same pejorative shade as discourir, of talking at tedious and pedantic length; the GLLF dates this second sense to Marivaux in 1723.[3][5][8]

The noun dissertation had been borrowed earlier, in 1645, from Latin dissertatio.[3][6] The verb produced dissertateur (1722) and the adjective dissertant (1836).[3]

Timeline

  • 1645 – The noun dissertation is borrowed.[3][6]
  • 1722 – Marivaux uses disserter.[2][3]
  • 1722 – The derivative dissertateur appears.[3]
  • 1723 – The sense “hold forth at length” is recorded in Marivaux.[5]
  • 1836 – The adjective dissertant appears.[3]

Meanings

Verb

  1. (intransitive) To set out and discuss a subject methodically, in writing or more often aloud; to discourse on: disserter sur l'histoire de la ville.[2][8][9]
  2. (pejorative) To hold forth at tedious length: il dissertait sans fin sur ses voyages.[8][3]

Word family

  • dissertateur
  • dissertant

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Trésor de la langue française informatisé (2004), ATILF – CNRS & Université de Lorraine, atilf.fr/tlfi; electronic version of Imbs, Paul; Quemada, Bernard, eds. (1971–1994), Trésor de la langue française, Paris: CNRS / Gallimard
  3. ^ a b c d e f g h i j k l Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  4. ^ a b Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  5. ^ a b c d Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  6. ^ a b c Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  7. ^ Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  8. ^ a b c Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  9. ^ Dictionnaire Le Robert en ligne, dictionnaire.lerobert.com (accessed 2024)

Related etymologies

Cite this entry

“Disserter.” Etymologically, 15 Nov. 2026, etymologically.com/fr/disserter. Accessed 15 Nov. 2026.

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