Etymologically

Etymology and origin of the Catalan word ona

Confidence
Established
Formation
Inherited
First attested
1200s Ramon Llull's Llibre de contemplació More words from the 12th century
Inherited from
Latin unda
Ultimate origin
Latin unda
Etymology tree
inherited borrowed derived
Latin unda
Catalan ona
French onde
Italian onda
Romanian undă
Spanish onda
From the same root
Italian ondeggiare ← unda
Latin undātus ← unda
Latin undō ← unda
Latin undōsus ← unda
Latin undulātus ← unda
Romanian undos ← undă
Spanish ondear ← onda

Pronunciation

  • Northern: [ˈu.nə][1]
  • Balearic, Central: [ˈo.nə][1]
  • Northwestern, Valencia: [ˈo.na][1]

Forms

ona f (plural ones)[1]

Etymology

It is inherited from Latin unda (“wave; flowing water”).[2][3][4][5][1]

The same Latin word is Occitan onda, Spanish onda, Portuguese onda, Italian onda, French onde and Romanian undă.[1][6] Beside the inherited word, the medieval literary language used onda, with a learned treatment that is the normal one in Occitan;[1] Wiktionary calls it a semi-learned doublet.[2][1]

The Latin word belongs with the Indo-European word for water.[7][1] De Vaan reconstructs a stem with /n/ in its oblique cases, whose cognates include Ancient Greek ὕδωρ (húdōr, “water”).[7] Wiktionary explains the Latin nasal as a collective form of *wódr̥ (“water”) with metathesis of the consonants.[1]

Earliest recorded meaning

Llull already uses the word in the Llibre de contemplació, of a ship tossed de ones e de vents “by waves and winds”.[8] Coromines dates the word to 1330, from a Roussillon document cited by Alart with the phrase ni de ones d'aygües, in which the ones are floods of the river Têt.[2]

Semantic evolution

Alart found the sense “flood” in Roussillon documents down to 1424.[2] Coromines notes that the word is rare in medieval authors, who preferred onda; the DCVB quotes ones from Genebreda at the end of the 15th century, and the chronicle of Jaume I has the derivative onada.[2] Miquel Peres used it figuratively, of the “waves” of fantasies that distract the mind in prayer.[9]

The dictionaries recorded the word steadily;[10] Lacavalleria has the adverbial phrase en ones “in waves”.[2] Labèrnia added in 1839 the motion of corn in the wind and the shimmer of light.[2][10] Martí Gadea applied it in 1891 to the curls of hair and the curves of a crawling snake.[11] Fabra's dictionary of 1932 has, besides the wave of water, the wave of physics, the band of vibrating particles in an elastic medium.[12] The DIEC2 defines the physical sense by wavelength, frequency and amplitude and adds the radio waves.[13]

Derivatives: onada (14th century in Bruguera), onejar “to wave” (1653) and onatge “swell” (20th century).[4]

Timeline

  • 13th century – Ramon Llull, Llibre de contemplació: de ones e de vents.[8]
  • 1330 – ones “floods” in a Roussillon document.[2]
  • 1410–1415 – ona in the sermons of Vicent Ferrer.[14]
  • 1481 – Lluís de Fenollet's Història d'Alexandre has the sea throwing its ones far off.[9]
  • 1839 – Labèrnia's dictionary adds the figurative senses.[10]
  • 1932 – Fabra's dictionary adds the sense of physics.[12]

Meanings

Noun

  1. A wave of the sea or of a lake, the rising and falling of the water: Les ones trencaven contra el moll.[13][5][1]
  2. (physics) A periodic disturbance that travels through space or a medium, described by its wavelength, frequency and amplitude: El so viatja en forma d'ona.[13][5]
  3. (radio) A radio wave of a given band, as in ona curta “short wave”.[13]
  4. Something that comes in surges, like a wave of water.[3]
  5. A wavy line or shape, a curve.[3]

Word family

  • onada
  • onatge
  • onejar
  • oneig
  • microona
  • onda
  • abundar
  • Latin unda

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 h 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. 6, 71
  3. ^ a b c Alcover, Antoni M.; Moll, Francesc de B. (1930–1962), Diccionari català-valencià-balear, 10 vols., Palma de Mallorca: Moll, p. s.v. ona
  4. ^ a b Bruguera, Jordi (1996), Diccionari etimològic, Barcelona: Enciclopèdia Catalana, p. 654
  5. ^ a b c Enciclopèdia Catalana, Gran diccionari de la llengua catalana (GDLC), Barcelona: Enciclopèdia Catalana; online edition, https://www.diccionari.cat, p. s.v. ona
  6. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. unda
  7. ^ 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
  8. ^ a b Nou glossari general lul·lià (NGGL), Centre de Documentació Ramon Llull, Universitat de Barcelona, https://nggl.ub.edu, p. s.v. ona
  9. ^ a b Faraudo de Saint-Germain, Lluís, Vocabulari de la llengua catalana medieval, online edition, Barcelona: Institut d'Estudis Catalans, p. s.v. ona
  10. ^ a b c Labèrnia, Pere (1839–1840), Diccionari de la llengua catalana ab la correspondencia castellana y llatina, 2 vols., Barcelona, p. s.v. ona
  11. ^ Martí Gadea, Joaquim (1891), Novísimo diccionario general valenciano-castellano, Valencia, p. s.v. ona
  12. ^ a b Fabra, Pompeu (1932), Diccionari general de la llengua catalana, Barcelona: Llibreria Catalònia, p. s.v. ona
  13. ^ a b c d Institut d'Estudis Catalans (2007), Diccionari de la llengua catalana, 2nd ed. (DIEC2), Barcelona: Edicions 62; online edition with later updates, https://dlc.iec.cat, p. s.v. ona
  14. ^ Torruella, Joan; Pérez Saldanya, Manuel; Martines, Josep (dirs.), Corpus Informatitzat del Català Antic (CICA), https://www.cica.cat, p. s.v. ona

Related etymologies

Cite this entry

“Ona.” Etymologically, 13 Nov. 2026, etymologically.com/ca/ona. Accessed 14 Nov. 2026.

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