Etymologically

milliardaire

Etymology and origin of the French word milliardaire

Confidence
Established
Formation
Derivation
First attested
1866 Théodore de Banville, Camées parisiens More words from the 19th century
Ultimate origin
French milliard,-aire

Pronunciation

  • /mi.ljaʁ.dɛʁ/[1]

Forms

milliardaire m or f by sense (plural milliardaires)[1]

Etymology

It is formed from French milliard + -aire.[2][1][3][4] The TLFi and the Petit Robert date it to 1866, the Grand Robert and the GLLF to 1877 (Alphonse Daudet).[2][4][3][5]

Earliest recorded meaning

It is first found in 1866 in Théodore de Banville's Camées parisiens, of a person owning a milliard.[2]

Semantic evolution

The word first meant someone worth at least a thousand million francs or another unit of money.[5] From 1913 (Larbaud) it was used loosely of any very rich person.[5][2]

Timeline

  • 1866 – Théodore de Banville uses it in the Camées parisiens.[2]
  • 1877 – Alphonse Daudet uses it.[3][5]
  • 1913 – Larbaud uses it of any very rich person.[5]

Meanings

Adjective

  1. Owning a milliard or more of a currency: une banque plusieurs fois milliardaire.[4][5]

Noun

  1. A billionaire; loosely, an extremely rich person: les milliardaires du pétrole.[4][1][2]

Word family

  • multimilliardaire

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f 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 Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  4. ^ a b c d Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  5. ^ a b c d e f Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
Cite this entry

“Milliardaire.” Etymologically, 14 Nov. 2026, etymologically.com/fr/milliardaire. Accessed 15 Nov. 2026.

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