Etymologically

fermer

Etymology and origin of the French word fermer

Confidence
Established
Formation
Inherited
First attested
c. 1100, Chanson de Roland
Inherited from
Latin firmo
Ultimate origin
Latin (firmus)
Etymology tree
inherited borrowed derived
Latin firmus
French ferme
Latin firmo
English firm
French fermer
French enfermer
French refermer

Pronunciation

  • IPA: /fɛʁ.me/[1]

Forms

fermer[1]

Etymology

It is inherited from Latin firmō (“to make firm, strengthen; to confirm”), derived from firmus (“firm, strong”).[2][3][4][5][1] The shift to “to close” may have begun in Late Latin, where “firmare” and “confirmare” were often said of strengthening the bars and bolts of doors.[2][3] “Fermer” gradually replaced the old verb clore.[4][6]

Compare Italian fermare (“to stop”), Old Occitan fermar (“to fix, confirm”) and Portuguese firmar.[4][7]

Earliest recorded meaning

It is first found in the Chanson de Roland (about 1100), meaning “to fix, fasten”.[2][8]

Semantic evolution

In Old French it meant “to build (a castle)” (1155) and “to fortify” (about 1160), a sense usual until the 16th century.[2][4] From this came the idea of barring and closing, des portes fermer (about 1175), then “to cut off access” and “to shut down a business”, fermer sa boutique (1547), and abstractly “to end” (1580).[2][3] The intransitive use is from the 15th century, la ferme ! “shut up!” from 1901, and fermer “to switch off” a tap or an appliance from 1872.[2][9]

In several regions it still means “to shut in”, as in fermé dehors “locked out”.[3] From the sense “to fix, settle” came the legal noun ferme “lease”, whence the farm.[4][10]

Timeline

  • c. 1100 – “To fasten”, in the Chanson de Roland.[2]
  • 1155 – “To build (a castle)”, in Wace.[2]
  • 12th century – Enfermer.[4]
  • c. 1175 – “To close (doors)”, in Benoît de Sainte-Maure.[2]
  • 13th century – Ferme “lease, farm”.[4]
  • 1547 – Fermer sa boutique.[2]
  • 1872 – “To turn off (a tap)”.[9]
  • 1901 – La ferme !.[9]

Meanings

Verb

  1. To close, shut: fermer la porte, fermer les yeux.[10][1]
  2. To lock: fermer à clé.[1]
  3. To do up (a garment); to seal (a letter).[1]
  4. To shut down, close (a shop, a business): fermer boutique.[2][1]
  5. To block, bar: fermer la route.[9]
  6. To switch off: fermer le robinet, fermer la radio.[1][9]
  7. Fermer la marche: to bring up the rear.[1]
  8. (intransitive) To close: le magasin ferme à 19 heures.[2]
  9. (slang) La fermer: to shut up.[9][1]

Word family

References

  1. ^ a b c d e f g h i j Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l 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 Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  4. ^ a b c d e f g Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  5. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 3, 569b
  6. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  7. ^ Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  8. ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  9. ^ a b c d e f Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  10. ^ a b Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert

Derived terms

Related etymologies

Cite this entry

“Fermer.” Etymologically, 18 Oct. 2026, etymologically.com/fr/fermer. Accessed 18 Oct. 2026.

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