Etymologically

lunette

Etymology and origin of the French word lunette

Confidence
Established
Formation
Derivation
First attested
c. 1200, L'Escoufle
Ultimate origin
Latin (luna)
Etymology tree
inherited borrowed derived
Latin luna
French lune
French lunette
Latin lunaticus
English lunatic

Pronunciation

  • IPA: /ly.nɛt/[1]

Forms

lunette f (plural lunettes)[1]

Etymology

It is formed from French lune + -ette, literally “little moon”,[2][3][4][1] from Latin lūna (“moon”).[5] The link with the moon was gradually lost as the optical senses grew in importance.[3] The word for spectacles was chosen because of their likeness in shape to the round glass of a mirror, and its general meaning soon displaced other terms such as besicles.[2][5]

Earliest recorded meaning

The romance L'Escoufle (about 1200) has lunete for a small round ornament in a fabric.[2][6][4]

Semantic evolution

In the second half of the 13th century (Vie de sainte Paule) it named the round plate of glass or polished metal of a mirror.[2][3] Spectacles were invented in Italy at the end of the 13th or the beginning of the 14th century, perhaps after Roger Bacon's optical work in the Opus majus;[2][3] Bloch and Wartburg credit the Florentine Salvino degli Armati.[5] The plural lunettes “spectacles” is found from 1398.[2][3] The singular came to name the telescope (1579, in Gabriel Chappuys),[2] and the Paris spectacle makers were selling a new kind à voir de loing in April 1609.[7]

From 1676 (Félibien) it also named a round opening: a skylight in a roof, the seat of a privy.[2][3] Richelet (1680) uses it for the bezel of a watch, Larousse (1872) for the hole of the guillotine, and the rear window of a car was a lunette arrière by 1912.[2][3] The serpent à lunettes, the cobra, is in the Encyclopédie (1765), and lunettes de cheval “blinkers” in 1678.[2] Cotgrave (1611) records it for a bird's wishbone.[7]

Timeline

  • c. 1200 – A small round ornament, in L'Escoufle.[2]
  • 2nd half of the 13th century – The glass of a round mirror.[2]
  • 1398 – Lunettes “spectacles”.[2]
  • 1579 – A telescope.[2]
  • 1611 – A bird's wishbone, in Cotgrave.[7]
  • 1676 – A round opening; a privy seat (Félibien).[2]
  • 1680 – The bezel of a watch (Richelet).[2]
  • 1765 – Serpent à lunettes.[2]
  • 1872 – The hole of the guillotine.[3]
  • 1912 – Lunette arrière.[2]

Meanings

Noun

  1. Lunettes (plural): glasses, spectacles; also protective goggles.[8][1]
  2. A telescope (refracting): lunette astronomique, lunette d'approche.[1][3]
  3. The seat of a toilet: la lunette des cabinets.[8][1]
  4. A round opening; the hole in the guillotine for the victim's neck.[8][3]
  5. Lunette arrière: the rear window of a car.[8][2]
  6. (architecture) A lunette.[8][1]
  7. The bezel of a watch case.[8][2]
  8. (ornithology) The wishbone.[1][7]

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p q r s t 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 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 Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  6. ^ Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  7. ^ a b c d Quemada, Bernard, ed. (1959–2006), Datations et documents lexicographiques (Base historique du vocabulaire français, BHVF), Paris: Klincksieck / CNRS / Champion; ATILF
  8. ^ a b c d e f Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
Cite this entry

“Lunette.” Etymologically, 18 Oct. 2026, etymologically.com/fr/lunette. Accessed 18 Oct. 2026.

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