Etymologically

Etymology and origin of the Spanish word celo

celo1 zeal; heat

Confidence
Established
Formation
Borrowing
First attested
1220–1250
Borrowed from
Latin zelus
Ultimate origin
Ancient Greek ζῆλος
Etymology tree of celo1
inherited borrowed derived
Ancient Greek ζῆλος (zêlos)
Latin zēlus
English zeal
Spanish celo
The journey of celo1
From the same root · celo1
English zealous ← ζῆλος
Latin zēlōsus ← zēlus

Pronunciation

  • /ˈθelo/, [ˈθe.lo], /ˈselo/[1]

Forms

celo m (plural celos)[1]

Etymology

The word for zeal is borrowed from Latin zēlus (“zeal, emulation; jealousy”), which is from Ancient Greek ζῆλος (zêlos, “emulation, rivalry; zeal”).[2][3][4] Corominas and Vox treat it as a learned borrowing of the 13th century.[2][5] Wiktionary calls it inherited.[1] The Latin noun is a late borrowing from Greek, found from Vitruvius on.[6][7]

The same Latin word is Italian zelo, French zèle, Occitan zel and Catalan zel.[8][9] Portuguese has both cio “(of animals) heat”, the old popular form, and the remade zelo “zeal”.[10][11][12]

The Academy and Corominas derive the Greek noun from ζέω (zéō, “to boil”).[3][2] Beekes instead puts it with ζητέω (zētéō, “to seek”) and δίζημαι (dízēmai, “to seek out”), from a root that may be Proto-Indo-European *yeh₂- (“to pursue”).[13][1]

Earliest recorded meaning

Corominas dates the word to 1220–1250.[2] An early passage is in the Libro de Alexandre (1240–1250, in an early 15th-century copy), where spring sets birds and beasts en çelos andar “going in heat”.[14] The Psalter of Herman the German (c. 1240–1272) has the sense “zeal”: el celo de Tu casa me comió “the zeal of your house consumed me”.[14]

Semantic evolution

Alfonso X's prose uses celo for zeal for the faith, for jealousy (in the plural, los celos de las mugeres) and for the heat of animals and birds.[15] In the 14th and 15th centuries buen celo meant a good intention, as in López de Ayala's Rimado de palacio (1385).[16] Covarrubias in 1611 still glossed the word as “intention”.[17]

The Academy's 19th-century editions define it as diligence in fulfilling one's duties, as loving care for the glory of God and the good of souls, as the mating urge of animals and, in the plural, as the suspicion that a loved one's affection has turned to someone else.[18][19] In Mexico it is also a disparaging colloquial word for a woman's fertile period.[3]

Timeline

  • 1220–1250 – the first record, according to Corominas.[2]
  • 1240–1250 – the Libro de Alexandre (in an early 15th-century copy) uses çelos of animals in heat.[14]
  • c. 1240–1272 – Herman the German's Psalter has el celo de Tu casa “the zeal of your house”.[14]
  • 1250–1279 – Alfonso X's Lapidario uses celos for jealousy.[15]
  • c. 1495 – Nebrija gives Latin zelus and zelotypia for celos.[20]
  • 1548 – the first record from the Americas, in Santo Domingo, of cats that andan en celo.[21]
  • 1611 – Covarrubias explains celo as “intention”: hazer una cosa con buen zelo.[17]
  • 1726–1739 – the Diccionario de Autoridades enters the word under the spelling zelo.[22]
  • 1884 – the Academy's dictionary gives the etymology, Latin zelus from Greek.[19]

Meanings

Noun

  1. care, diligence, the effort someone puts into doing something well: Revisó las cuentas con mucho celo.[3][23]
  2. zeal: an intense, active devotion to a cause or a person.[3][1]
  3. (usually in the plural) envy of another's good fortune, or fear that someone else will gain what one has or wants.[3]
  4. (of animals) heat, the sexual urge, and the season in which animals feel it: La perra está en celo.[3][1][5]
  5. (Mexico, colloquial, derogatory) A woman's fertile period, when ovulation occurs.[3]
  6. (in the plural) jealousy: suspicion or fear that the person one loves cares for someone else.[3][1]

Word family

celo2 sticky tape

Confidence
Established
Formation
Borrowing, Clipping
Borrowed from
English cellotape
Ultimate origin
English Sellotape

Pronunciation

  • /ˈθelo/, [ˈθe.lo], /ˈselo/[1]

Forms

celo m (uncountable)[1]

Etymology

The word for sticky tape is borrowed from English cellotape, clipped to its first part.[3][1][5] The English word comes from the trade name Sellotape, which Vox explains as formed from cellulose and tape.[3][5] Wikcionario derives the Spanish word from a trade name spelt Cellotape.[24]

Meanings

Noun

  1. (Spain) sticky tape, Sellotape: a transparent strip of cellulose or plastic, sticky on one side, used to stick paper and other things.[3][1][5]
  • celos
  • recelo
  • celar
  • Latin zelus
  • Portuguese zelo
  • English zeal

Usage notes

Celos in the plural is the usual word for jealousy, which keeps it apart from the sense “zeal” of the singular.[4] Dar celos is “to make someone jealous”.[3] Tape is usually called papel celo as well as celo.[3]

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 Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. celo
  3. ^ 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. celo
  4. ^ a b Bénaben, Michel (2000), Dictionnaire étymologique de l'espagnol, Paris: Ellipses, p. s.v. celo
  5. ^ a b c d e Battaner Arias, Paz (dir.) (2017), Diccionario general de la lengua española VOX, Barcelona: Larousse Editorial, p. s.v. celo
  6. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  7. ^ Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  8. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. s.v. zelus
  9. ^ Alcover, Antoni M.; Moll, Francesc de B. (1930–1962), Diccionari català-valencià-balear, 10 vols., Palma de Mallorca: Moll, p. s.v. zel
  10. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. zelus
  11. ^ Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. 840
  12. ^ Nascentes, Antenor (1966), Dicionário etimológico resumido, Rio de Janeiro: Instituto Nacional do Livro, p. s.v. zelo
  13. ^ Beekes, Robert S. P. (2010), Etymological Dictionary of Greek, with the assistance of Lucien van Beek, Leiden Indo-European Etymological Dictionary Series 10, Leiden; Boston: Brill
  14. ^ a b c d Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. celo
  15. ^ 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. celo
  16. ^ Alonso Pedraz, Martín (1986), Diccionario medieval español: desde las Glosas Emilianenses y Silenses (s. X) hasta el siglo XV, 2 vols., Salamanca: Universidad Pontificia de Salamanca, p. 667
  17. ^ 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. 576
  18. ^ Real Academia Española (1843), Diccionario de la lengua castellana, 9th ed., Madrid: Imprenta de D. Francisco María Fernández, p. 156
  19. ^ 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. 231
  20. ^ 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. celo
  21. ^ 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. celo
  22. ^ Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 2, 262
  23. ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. celo
  24. ^ Wikcionario (Spanish Wiktionary), es.wiktionary.org

Related etymologies

Cite this entry

“Celo.” Etymologically, 7 Nov. 2026, etymologically.com/es/celo. Accessed 7 Nov. 2026.

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