Etymologically

Etymology and origin of the French word mollusque

Confidence
Established
Formation
Borrowing
First attested
1763 E. Bertrand, Dictionnaire universel des fossiles More words from the 18th century
Borrowed from
Latin molluscus
Ultimate origin
Latin mollis
Etymology tree
inherited borrowed derived
French mollusque
English mollusc

Pronunciation

Forms

mollusque m (plural mollusques)[1]

Etymology

It is borrowed from New Latin molluscus, first used in its neuter plural form by Jonston in 1650,[2][3][4] modelled on Latin mollusca (“a kind of soft-shelled nut”), said of a nut with a soft shell, especially the chestnut, in the Latin of the imperial period;[2][3][5] that word is derived from mollis (“soft”), the source of mou.[2][3] The Grand Robert credits Cuvier with the scientific Latin word.[6]

Earliest recorded meaning

It is first recorded in 1763, in E. Bertrand's Dictionnaire universel des fossiles, for an invertebrate animal with a soft body.[2][3][5] The Grand Robert and the Petit Robert date it from 1771.[6][7]

Semantic evolution

Linnaeus applied the Latin word in 1758 to a mixed group of invertebrates that also took in echinoderms and annelids; the modern sense comes mainly from Cuvier's classification (before 1800), in which the molluscs were a subkingdom of gastropods, scaphopods, cephalopods and lamellibranchs, and Lamarck in 1801 divided them into molluscs with and without a head.[3] In everyday language the word applies above all to marine invertebrates.[3]

Still felt as related to mou, it has been used figuratively since 1836 (Balzac) for a dull, slow or spineless person.[3][2]

Timeline

  • 1650 – Jonston uses the Latin neuter plural mollusca.[2][3]
  • 1758 – Linnaeus applies the Latin word to a group of invertebrates.[3]
  • 1763 – First French record, in E. Bertrand's dictionary of fossils.[2][5]
  • Before 1800 – Cuvier's classification gives the modern sense.[3]
  • 1836 – Balzac uses it for a dull person.[2][3]

Meanings

Noun

  1. A mollusc, an invertebrate animal with a soft body, often protected by a shell.[7][8][2]
  2. (in the plural, zoology) The phylum of such animals, made up of the gastropods, bivalves, cephalopods and others.[2][7][8]
  3. (figurative, familiar) A soft, spineless person, a mollasson.[7][8][1]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j 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 Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  4. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 6/3, 57b
  5. ^ a b c Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  6. ^ a b Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  7. ^ a b c d Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  8. ^ a b c Dictionnaire Le Robert en ligne, dictionnaire.lerobert.com (accessed 2024)

Related etymologies

Cite this entry

“Mollusque.” Etymologically, 14 Nov. 2026, etymologically.com/fr/mollusque. Accessed 15 Nov. 2026.

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