Etymologically

Etymology and origin of the Spanish word hierro

Confidence
Established
Formation
Inherited
First attested
1065 a charter of Cardeña, spelt fierro More words from the 11th century
Inherited from
Latin ferrum via Old Spanish
Ultimate origin
Latin ferrum
Etymology tree
inherited borrowed derived
Latin ferrum
French fer
Spanish hierro
From the same root
Latin ferrāmentum ← ferrum
Latin ferrārius ← ferrum
Latin ferrātus ← ferrum
Latin ferreus ← ferrum
Latin ferrūgō ← ferrum

Pronunciation

  • /ˈʝero/, [ˈɟ͡ʝe.ro], /ˈjero/[1]

Forms

hierro m (plural hierros)[1] Old Spanish wrote fierro, the form of all authors who kept initial f-;[2] hierro is first recorded in Nebrija.[3][4] Fierro is still the popular form in much of Spanish America, and in Chile in all social classes; in Venezuela, the Antilles and parts of Mexico and Guatemala popular speech has jierro.[3] Dialect forms include jierro in Cantabria and guierro in Navarre.[2]

Etymology

It is inherited from Old Spanish fierro, inherited from Latin ferrum (“iron, steel”).[3][4][5][1] By the middle of the 16th century the form with ⟨h⟩, silent or aspirated, already prevailed in Biscay, Old Castile and Toledo, and both Juan de Valdés and Nebrija preferred it.[3] Corominas suggests that the form with /f/ prevailed in most of Spanish America through the strong influence of Leonese, where initial /f/ survives;[3] the BDELC adds Andalusian influence.[4] ferro “anchor”, recorded from 1599, is a nautical borrowing from Catalan, as its undiphthongised vowel shows.[3][4]

The same Latin word is Portuguese ferro, Galician ferro, Asturian fierro, French fer, Italian ferro and Romanian fier;[6][2] Catalan had ferre in 1249 and ferro by 1373.[7]

De Vaan takes the Latin word for a loan from an unidentified source, perhaps a Phoenician dialect, comparing the Semitic word for iron seen in Biblical Hebrew בַּרְזֶל (barzel).[8][1] Others suppose that it came through Etruscan; iron-working reached the Indo-European peoples late, and the names of the metal differ from language to language.[9][1]

Earliest recorded meaning

The first record is fierro in a charter of Cardeña of 1065, and the Cantar de mio Cid has the word too.[3][4] Alfonso X's Lapidario (1250–1279) uses it for the metal, in a passage on the magnet: el fierro que uence todos los otros metales “iron, which overcomes all the other metals” by its strength.[10]

Semantic evolution

Already in Alfonso X's prose the word also names the iron head of a lance or arrow, any iron weapon or tool, and, in the plural, fetters.[10] Covarrubias in 1611 records hierro for a sword, the proverb Quien con hierro mata, a hierro ha de morir, tener a uno en hierros “to keep someone in prison”, the hierro albo of red-hot iron used in ordeals, and the brand put on pedigree horses.[11] The Diccionario de Autoridades gives the metal, the brand on horses and cattle, and any weapon that wounds.[12] In 1855 Baralt criticised as Gallicisms such figurative uses as gemir en los hierros “to groan in chains”.[13]

In 1884 the Academy described the metal by its physical properties for the first time.[14] The DLE now defines it as the chemical element of atomic number 26, and adds the herd of a breeder of fighting bulls and the iron club of golf.[5] In the Americas fierro keeps special senses such as “tool”, “cattle brand” and “knife” in Guatemala and Argentina.[3] In the Dominican Republic and Venezuela hierro is a revolver or pistol, and in Cuba the plural names the tools of a trade.[15][16] In the Canaries it also means a cowbell.[17]

Timeline

  • 1065 – fierro in a charter of Cardeña.[3][4]
  • c. 1140 – the Cantar de mio Cid has fierro.[3]
  • 1250–1279 – Alfonso X's Lapidario uses fierro for the metal and for the iron point of weapons.[10]
  • 1254 – the Judizios de las estrellas uses the plural fierros for fetters.[10]
  • c. 1495 – Nebrija has the form hierro, for the metal, a surgeon's instrument and a branding iron.[3][4]
  • 1512 – the first records from the Americas, in Puerto Rico, as fierro and hierros.[18]
  • 1599 – ferro “anchor” is borrowed from Catalan.[4]
  • 1611 – Covarrubias records the proverb Quien con hierro mata, a hierro ha de morir.[11]
  • 1884 – the Academy's dictionary gives the etymology, from Latin ferrum.[14]

Meanings

Noun

  1. (chemistry) iron, the metallic chemical element of atomic number 26 (symbol Fe), the metal most used in industry.[5][1]
  2. A branding iron for marking cattle, and formerly criminals or slaves.[5][1]
  3. The brand burnt into the hide of cattle with such an iron.[5][1]
  4. (bullfighting) The herd of a breeder of fighting bulls: Los toros de este hierro salen bravos.[5][19]
  5. A mark, and the tool that makes it, put on goods as a guarantee or hallmark.[5]
  6. The iron or steel head of a lance, arrow or similar weapon.[5]
  7. A weapon, tool or piece of iron or steel.[5][1]
  8. (golf) A golf club with an iron head used for strokes needing precision rather than power.[5]
  9. (Venezuela, colloquial) A clothes iron.[5]
  10. (in the plural) fetters, chains and other irons for prisoners: Lo sacaron de la celda cargado de hierros.[5]
  11. (in the plural, Cuba, Dominican Republic) The tools of a trade.[5][15]
  12. (Dominican Republic, Venezuela, colloquial) A revolver or pistol.[15][16]

Word family

  • herrar
  • hierra
  • herrada
  • herrador
  • herradura
  • herraje
  • desherrar
  • ferrar
  • férreo
  • ferro-
  • ferrocarril
  • ferroso
  • ferrovía
  • ferroviario
  • herramienta
  • herrero
  • fierro
  • ferro
  • Latin ferrum

Usage notes

Hierro and yerro “error” sound the same;[19][1] Corominas calls the idea that they should be pronounced differently a groundless prejudice.[3] Covarrubias already explained that hierro is from ferrum and yerro from error.[11] Phrases include de hierro “very strong, unbreakable” and quitar hierro “to play something down”.[19][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 García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. ferrum
  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. 3, 355
  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. hierro
  5. ^ a b c d e f g h i j k l m 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. hierro
  6. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 3262
  7. ^ Coromines, Joan (1980–2001), Diccionari etimològic i complementari de la llengua catalana, 10 vols., Barcelona: Curial / La Caixa (online ed., Institut d'Estudis Catalans 2024), p. 3, 979
  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. ^ Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  10. ^ a b c d 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. hierro
  11. ^ a b c Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 977
  12. ^ Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 4, 153
  13. ^ Baralt, Rafael María (1855), Diccionario de galicismos, Madrid: Imprenta de J. Cruzado, p. 358
  14. ^ 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. 565
  15. ^ a b c Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. hierro
  16. ^ a b Academia Dominicana de la Lengua; Instituto Guzmán Ariza de Lexicografía (2024), Diccionario del español dominicano, 2nd ed., online at https://ded.igalex.org, p. s.v. hierro
  17. ^ 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. hierro
  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. fierro
  19. ^ a b c Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. hierro

Related etymologies

Cite this entry

“Hierro.” Etymologically, 7 Nov. 2026, etymologically.com/es/hierro. Accessed 7 Nov. 2026.

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