Etymologically

Etymology and origin of the Spanish word luna

Confidence
Established
Formation
Inherited
First attested
950–1000 Glosas Silenses More words from the 10th century
Inherited from
Latin luna via Old Spanish
Ultimate origin
Proto-Indo-European *lówksneh₂
Etymology tree
inherited borrowed derived
Latin lūna
French lune
Italian luna
Spanish luna
From the same root
English lunatic ← lūna
Latin lūnāris ← lūna
Latin lūnāticus ← lūna
Latin lunatus ← lūna
Latin plēnilūnium ← lūna
French lunette ← lune

Pronunciation

  • /ˈluna/, [ˈlu.na][1]

Forms

luna f (plural lunas)[1]

Etymology

It is inherited from Old Spanish luna, inherited from Latin lūna (“moon”).[2][3][4][1] The word has the same form in every period of the language and is common to all the Romance languages.[2] Its cognates include Portuguese lua, Galician lúa, Asturian lluna, Catalan lluna, Occitan luna, French lune, Italian luna, Sardinian lúna and Romanian lună.[5][6][1] Portuguese and Galician lost the /n/ between vowels, while Catalan and Asturian have the palatal /ʎ/ at the start.[5][1]

The Latin word goes back to *louksnā; an inscription from Praeneste still has losna.[7] De Vaan derives it from a Proto-Indo-European adjective meaning “shiny, bright”, probably an epithet of the moon, built on the base of lūx (“light”) and lūmen.[7] Wiktionary gives the form *lówksneh₂, from the root *lewk- (“light, bright”).[1] De Vaan lists Ancient Greek λύχνος (lúkhnos, “lamp”) among the cognates.[7]

Earliest recorded meaning

Corominas dates the word from the earliest texts of the language, the 10th-century Glosas Silenses and the Cantar de mio Cid.[2][3] In the Cid, Jimena's prayer praises God, who made the stars and the moon: fezist estrellas e luna, e el sol pora escalentar “you made the stars and the moon, and the sun to give warmth”.[8][9]

Semantic evolution

Old Spanish texts mostly name the moon beside the sun and the stars, as Berceo does: Fijo, que más alumnas que el sol ni la luna “Son, who give more light than the sun or the moon”.[8][10] Alfonso X's Lapidario uses it in astrological prose.[11] Covarrubias in 1611 called the moon the lowest of the seven planets and noted that the poets gave it three names: Luna in the sky, Diana on earth and Proserpina in the underworld.[12]

The Autoridades (1734) added two senses that are still current: in alchemy the moon stands for silver, and luna is also a sheet of plate glass, either the glass of a mirror or the lens of spectacles.[13] The Academy's 1884 dictionary records the moon's supposed effect on the insane, an Aragonese sense “open courtyard”, and the slang senses “shirt” and “shield” of the old germanía.[14] Hidalgo had already listed luna “shirt” in 1609.[15] Today the word also means the glass of a car window or a shop window, the satellite of any planet, and, short for pez luna, the sunfish.[4][1]

In the Canaries and in several countries of the Caribbean and Central America luna means menstruation; the Canarian dictionary suspects the influence of popular Portuguese lua.[16][17] In Bolivia, Ecuador, Paraguay, the Río de la Plata and El Salvador it can mean a bad mood.[17][4]

Timeline

  • 950–1000 – the Glosas Silenses.[2][3]
  • c. 1140 – the Cantar de mio Cid (in a 14th-century copy).[8][2]
  • 1250–1279 – Alfonso X's Lapidario.[11]
  • c. 1295 – first record of the derivative lunes “Monday”.[3][2]
  • c. 1495 – Nebrija defines it as a planet of the sky, Latin luna.[18]
  • 1515 – the first record from the Americas, on the Tierra Firme coast, where a chief counts time in moons.[19]
  • 1609 – Hidalgo's thieves' slang uses luna for a shirt.[15]
  • 1611 – Covarrubias calls the moon the lowest of the seven planets.[12]
  • 1734 – the Autoridades adds the senses “silver” and “mirror glass”.[13]
  • 1884 – the Academy's dictionary records the Aragonese sense “courtyard”.[14]

Meanings

Noun

  1. The moon: the only natural satellite of the Earth.[4][1]
  2. The part of the Moon's surface that can be seen from the Earth; the light of the Moon at night.[4]
  3. A lunation, a lunar month.[4]
  4. (astronomy) A natural satellite of any planet: Marte tiene dos lunas pequeñas.[4]
  5. A large mirror; a sheet of glass for windows, shop windows or windscreens; the glass of a pair of spectacles.[4][1]
  6. The sunfish, short for pez luna.[4][1]
  7. The supposed effect of the Moon on some people;[17] (colloquial, Argentina, Bolivia, Honduras, Paraguay, Uruguay) a bad mood.[4][17]
  8. (alchemy) silver.[4][13]
  9. (Aragon) An open courtyard.[4][14]
  10. (Canaries, El Salvador, Dominican Republic) Menstruation.[16][17]
  11. (germanía) A shirt.[4][15]

Word family

  • lunación
  • lunar
  • lunático
  • lunes
  • alunizar
  • luneta
  • lunarejo
  • Latin lūna
  • lúnula
  • Portuguese lua
  • Catalan lluna

Usage notes

Luna de miel “honeymoon” is probably a translation of the English word honeymoon.[20] The day name lunes comes from Latin dies lunis, a variant of dies lunae “day of the Moon” altered after dies martis and the other day names.[2][3] As the name of the Earth's satellite the word is often written with a capital, la Luna.[4][1]

References

  1. ^ a b c d e f g h i j k Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 3, 712
  3. ^ a b c d e Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. luna
  4. ^ a b c d e f g h i j k l m n Real Academia Española; Asociación de Academias de la Lengua Española (2014–), Diccionario de la lengua española, 23rd ed., online version 23.8, https://dle.rae.es, p. s.v. luna
  5. ^ a b García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. luna
  6. ^ Buchi, Éva; Schweickard, Wolfgang, eds. (2008–), Dictionnaire Étymologique Roman (DÉRom), Nancy: ATILF, http://www.atilf.fr/DERom
  7. ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  8. ^ a b c Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. luna
  9. ^ Menéndez Pidal, Ramón (1908–1911), Cantar de Mio Cid: texto, gramática y vocabulario, 3 vols., Madrid: Bailly-Baillière, p. s.v. luna
  10. ^ Lanchetas, Rufino (1900), Gramática y vocabulario de las obras de Gonzalo de Berceo, Madrid: Sucesores de Rivadeneyra, p. s.v. luna
  11. ^ a b Kasten, Lloyd A.; Nitti, John J.; Gago Jover, Francisco (2002–), Diccionario de la prosa castellana del Rey Alfonso X, New York: Hispanic Seminary of Medieval Studies (electronic edition 2024), p. s.v. luna
  12. ^ a b Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 1094
  13. ^ a b c Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 4, 439
  14. ^ a b c Real Academia Española (1884), Diccionario de la lengua castellana, 12th ed., Madrid: Imprenta de D. Gregorio Hernando (the first Academy edition with etymologies), p. 654
  15. ^ a b c Hidalgo, Juan (1609), Romances de germanía de varios autores, con el vocabulario por la orden del a.b.c. para declaración de sus términos y lengua, Barcelona: Sebastián de Cormellas (ed. Madrid 1779), p. 185
  16. ^ a b Real Academia Española (2021–), Tesoro de los diccionarios históricos de la lengua española (TDHLE): Diccionario histórico (1933–1936), its unpublished slips, Diccionario histórico (1960–1996), DHECan, DHECR, DHEVen, https://www.rae.es/tdhle, p. s.v. luna
  17. ^ a b c d e Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. luna
  18. ^ Nebrija, Antonio de (1513), Vocabulario español-latino, Salamanca, ed. Marina Vidal Díez (2007), Biblioteca Virtual Miguel de Cervantes, p. 373
  19. ^ Boyd-Bowman, Peter (2003), Léxico hispanoamericano 1493–1993, ed. Ray Harris-Northall and John J. Nitti, New York: Hispanic Seminary of Medieval Studies, p. s.v. luna
  20. ^ Gómez de Silva, Guido (1988), Breve diccionario etimológico de la lengua española, México: Fondo de Cultura Económica / El Colegio de México, p. s.v. luna

Related etymologies

Cite this entry

“Luna.” Etymologically, 7 Nov. 2026, etymologically.com/es/luna. Accessed 7 Nov. 2026.

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