Etymologically

Etymology and origin of the Spanish word tos

Confidence
Established
Formation
Inherited
First attested
1250–1279 Alfonso X, Lapidario, as tosse More words from the 13th century
Inherited from
Latin tussis via Old Spanish
Ultimate origin
Latin tussis
Etymology tree
inherited borrowed derived
Latin tussis
Romanian tuse
Spanish tos
From the same root
Latin tussiō ← tussis

Pronunciation

  • /ˈtos/, [ˈt̪os][1]

Forms

tos f (plural toses)[1] Old Spanish also had tosse and tose, used until the 16th century.[2][3]

Etymology

It is inherited from Old Spanish tos, inherited from Latin tussis (“cough”).[2][4][5][1] Like other words ending in ⟨-s⟩, Old Spanish also had a variant tosse, used by Nebrija and Palencia and still by Laguna in 1555.[2] The same word is Portuguese tosse, Galician tose, Asturian tos, Catalan tos, Occitan tos, French toux, Italian tosse and Romanian tuse.[6][7][1] The verb toser continues Latin tussīre with a change of conjugation found only in Castilian.[2] The other languages keep the ending of the infinitive, as in Catalan tossir, Portuguese tussir and Asturian tusir.[2]

De Vaan finds a link with tundō (“to beat”) conceivable in meaning, but the form expected from that verb would have a long vowel and a single /s/.[8] He explains the word as such a form with expressive doubling of the consonant, or as pure onomatopoeia, and notes that the Indo-European root for “to cough”, Proto-Indo-European *kʷeh₂s-, also ends in /s/.[8] Wiktionary derives it from *tud-tí-s (“cough”), from *(s)tewd- and ultimately *(s)tew- (“to push, hit”).[1]

Earliest recorded meaning

Alfonso X's Lapidario (1250–1279) recommends a stone whose sweet juice is given to drink to a man que aya tosse o otra dolencia en los pechos “who has a cough or another ailment of the chest”.[9] Corominas's first record is Juan Ruiz, dated 1335 in his short dictionary.[2][4]

Semantic evolution

The word has kept the Latin meaning throughout its history.[2] Covarrubias calls the cough an ordinary complaint of the old and of those with catarrh, and quotes the proverb más vale sudar que toser “better to sweat than to cough”.[10] The Diccionario de Autoridades defines it as the force the chest makes with the breath to throw off what troubles it.[11] Terreros distinguishes tos seca, in which no phlegm is brought up, and notes that animals cough too.[12]

The Academy entered tos convulsiva or tos ferina, whooping cough, in 1884.[13] Regional phrases include tos de sótano, a deep heavy cough, in the Canaries, and tos de ahogo for whooping cough in Bolivia.[14][15] In Argentina ¡mala tos le siento al gato! says that a business is taking a bad turn.[16]

Timeline

  • 1250–1279 – Alfonso X's Lapidario has tosse.[9]
  • 13th century – the form tose in the Reglas of Santiago.[3]
  • 1335 – Juan Ruiz, Corominas's first record.[4][2]
  • c. 1400 – the verb toser in the glossaries of the Escorial.[2]
  • c. 1495 – Nebrija enters tosse and tosse pequeña.[17]
  • 1520 – first record from the Americas, in Cuba.[18]
  • 1555 – Laguna still writes tosse.[2]
  • 1611 – Covarrubias quotes más vale sudar que toser.[10]
  • 1733 – Suárez de Ribera's edition of Laguna changes tosse to tos.[2]
  • 1884 – tos convulsiva or ferina enters the Academy's dictionary.[13]

Meanings

Noun

  1. A cough: the sudden, noisy, convulsive expulsion of air from the lungs, in people and some animals: Tengo tos desde el lunes.[5][1]
  2. (medicine) In tos ferina, tos convulsiva or tos convulsa: whooping cough, with violent, suffocating fits.[5][19]

Word family

References

  1. ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 5, 565
  3. ^ a b Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock, p. s.v. tos
  4. ^ a b c Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. tos
  5. ^ a b c 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. tos
  6. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  7. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. 6937
  8. ^ a b 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 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. tos
  10. ^ 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. 1340
  11. ^ Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 6, 309
  12. ^ Terreros y Pando, Esteban de (1786–1793), Diccionario castellano con las voces de ciencias y artes y sus correspondientes de las tres lenguas francesa, latina e italiana, 4 vols., Madrid: Viuda de Ibarra, p. 3, 672
  13. ^ a b Real Academia Española (1884), Diccionario de la lengua castellana, 12th ed., Madrid: Imprenta de D. Gregorio Hernando (the first Academy edition with etymologies), p. 1037
  14. ^ 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. tos
  15. ^ Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. tos
  16. ^ Garzón, Tobías (1910), Diccionario argentino, Barcelona: Imprenta Elzeviriana de Borrás y Mestres, p. 480
  17. ^ 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. tos
  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. tos
  19. ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. tos

Related etymologies

Cite this entry

“Tos.” Etymologically, 14 Nov. 2026, etymologically.com/es/tos. Accessed 14 Nov. 2026.

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