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vaina

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Etymology and origin of the Spanish word vaina

Confidence
Established
Formation
Inherited
First attested
c. 1155 Fuero de Avilés More words from the 12th century
Inherited from
Latin vagina via Old Spanish
Ultimate origin
Latin vāgīna
Etymology tree
inherited borrowed derived
Latin vāgīna
Spanish vaina
English vagina
From the same root
Spanish vainilla ← vāgīna

Pronunciation

  • /ˈbaina/, [ˈbai̯.na][1]

Forms

vaina f (plural vainas)[1] Old Spanish wrote uayna, vayna, bayna and baína; a Leonese baiana of the 13th-century fueros may be a misprint.[2][3]

Etymology

It is inherited from Old Spanish vaína, inherited from Latin vāgīna (“sheath, scabbard”).[3][4][5][1] The word was pronounced in three syllables, as baína, until late: Sem Tob rhymes it with ayna (“quickly”), and Nebrija's grammar of 1492 still counts it so.[3] By Góngora's time it rhymed with zaina and had two syllables, a shift of stress like that of reina.[3] The old spelling with ⟨b⟩ agrees with Portuguese bainha and Catalan beina.[3]

The same Latin word is Galician vaxina, Occitan gaina, French gaine and Italian guaina;[6][7] Corominas notes that the ⟨g⟩ of the last three is not well explained.[3][6][7] The Latin noun is attested from Varro on; de Vaan finds no convincing cognate and calls a link with Lithuanian vóžti (“to cover”) a gratuitous proposal.[8] The learned doublet vagina is recorded from 1817.[3][4]

Earliest recorded meaning

Corominas dates the word from the Fuero de Avilés of about 1155.[3][4] In the Libro de Alexandre (1240–1250, in a 15th-century copy) Diomedes, his lance broken, draws his deadly sword from its sheath: tiró de la vaína la su mortal espada.[9] The Moamín of 1250 already speaks of the vaýnas of lentils, the pods.[9]

Semantic evolution

Both main senses, the sheath of a blade and the pod of a legume, were present in Old Spanish.[9][10] Nebrija's Latin dictionary of 1492 also gave vaina de legumbre and the scrotum (la vaina delos testiculos).[11] Covarrubias in 1611 defined only the sheath of swords, daggers and knives.[12] Autoridades added the phrases dar con vaina y todo, “to rebuke or punish someone harshly”, and de vaina abierta, “readily, boldly”, from the long swords whose sheaths were open for a quick draw.[13] The Academy proverb so vaina de oro, cuchillo de plomo warned against trusting appearances.[14] By 1846 Salvá also recorded colloquial senses “trick” and “reprimand”, and the nautical hem of a sail.[15]

Modern technical senses are the sheath of an organ in anatomy, the leaf sheath in botany and the metal case of a cartridge.[5] In northern Spain vaina is a green bean.[5][16] In much of Latin America it means a nuisance or setback and, colloquially, any thing whose name one does not know or will not say, and it can be a name for a frivolous, irresponsible person.[5][17] The diminutive vainilla, “small pod”, named the American vanilla plant and passed to Italian vainiglia, French vanille and English vanilla.[3]

Timeline

  • c. 1155 – first record, in the Fuero de Avilés.[3][4]
  • 1240–1250 – vaína of a sword in the Libro de Alexandre.[9]
  • 1250 – vaýnas of lentils, the pods, in the Moamín.[9]
  • 1475 – the verb envainar is first recorded.[4]
  • c. 1495 – Nebrija gives Latin vagina, scrotum and siliqua for its senses.[11]
  • 1513 – first record in the Americas, in Puerto Rico: dagas con sus vainas.[18]
  • 1555 – the diminutive vainilla in the sense “small pod”.[4]
  • early 17th century – Góngora rhymes the word as two syllables, vaina.[3][4]
  • 1817 – the learned doublet vagina enters the Academy's dictionary.[3][4]

Meanings

Noun

  1. A sheath or scabbard fitted to a blade or a pointed tool: Volvió a meter el puñal en la vaina.[5][1]
  2. (botany) The long, soft pod in which the seeds of some plants are enclosed.[5][1]
  3. (anatomy) A close-fitting, usually flexible covering that protects an organ.[5]
  4. (botany) The widened base of a leaf or leafstalk that wraps the stem.[5]
  5. (nautical) A hem sewn along the edge of a sail to strengthen it; a sleeve of canvas on the edge of a flag through which the halyard runs.[5]
  6. (military) The metal cartridge case that holds the charge of a round.[5]
  7. (Aragon, Asturias, Navarre, Basque Country, La Rioja) A green bean.[5][1]
  8. (Central America, Colombia, Venezuela, Caribbean and elsewhere) A nuisance, setback.[5]
  9. (colloquial, Latin America) A thing or matter whose name one does not know or does not want to say: Pásame esa vaina de la mesa.[5][17][1]
  10. (colloquial) A frivolous, irresponsible person.[5][19]

Word family

  • vainica
  • vainilla
  • vainero
  • envainar
  • desenvainar
  • vagina
  • Latin vāgīna
  • Portuguese bainha
  • Catalan beina

Usage notes

Set phrases include dar con vaina y todo, “to rebuke or punish harshly”, and in Colombia, Ecuador, Panama, Peru and Venezuela the vulgar ni de vaina, “no way”.[5][13] In Cuba and Panama echar vainas is “to talk nonsense”.[5]

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock, p. s.v. vaina
  3. ^ a b c d e f g h i j k l Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 5, 732
  4. ^ a b c d e f g h Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. vaina
  5. ^ a b c d e f g h i j k l m n o p 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. vaina
  6. ^ a b García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. vagina
  7. ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  8. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  9. ^ a b c d e Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. vaina
  10. ^ Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock
  11. ^ a b Lleal, Coloma (dir.), DICCA-XV: Diccionario del castellano del siglo XV en la Corona de Aragón, Barcelona: Universitat de Barcelona, Grup d'Estudis d'Història de la Llengua (GHCL), https://ghcl.ub.edu/diccaxv, p. s.v. vaina
  12. ^ Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 1365
  13. ^ a b Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 6, 411
  14. ^ Real Academia Española (1843), Diccionario de la lengua castellana, 9th ed., Madrid: Imprenta de D. Francisco María Fernández, p. 729
  15. ^ Salvá, Vicente (1846), Nuevo diccionario de la lengua castellana, París: Librería de Don Vicente Salvá, p. 1092
  16. ^ Academia de la Llingua Asturiana (2000), Diccionariu de la Llingua Asturiana, Uviéu: ALLA; online at https://mas.academiadelallingua.com/diccionariu, p. s.v. vaina
  17. ^ a b Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. vaina
  18. ^ 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. vaina
  19. ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. vaina

Related etymologies

Cite this entry

“Vaina.” Etymologically, 7 Nov. 2026, etymologically.com/es/vaina. Accessed 7 Nov. 2026.

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