Etymologically
Log in

dia

History Permalink

Etymology and origin of the Catalan word dia

Confidence
Established
Formation
Inherited
First attested
1100s the Homilies d'Organyà More words from the 11th century
Inherited from
Latin *dia
Ultimate origin
Proto-Indo-European *dyḗws

Pronunciation

  • Balearic, Central, Northern: [ˈdi.ə][1]
  • Northwestern, Valencia: [ˈdi.a][1]

Forms

dia m (plural dies)[1] The DCVB records the pronunciations [ˈdiə], [ˈdie], [ˈdia], [ˈdio] and [ˈdiɛ].[2] The form dia has been general in Catalan since the earliest texts, to the last villages of the language area.[3]

Etymology

It is inherited from Vulgar Latin *dia, the form of diēs (“day, daytime”) moved into the first declension.[3][4][5][1] The DCVB derives it directly from the classical noun.[2]

The Vulgar Latin form prevailed in the three Romance languages of the Peninsula and in Occitan: Spanish día, Portuguese dia, Occitan dia.[3][1] Elsewhere the classical word met strong competition from the substantivised diurnum, the source of jorn, and in much of the Romance area it survives mainly in compounds such as the names of the weekdays.[3] Catalan too kept the classical form there, reduced to ⟨di-⟩, as Italian did in dì.[3]

According to de Vaan the Latin noun was built on the accusative ⟨diem⟩, from Proto-Italic *djēm, from a Proto-Indo-European word for the god of the clear sky, *dyḗws (“heaven, sky”), which also gave Ancient Greek Ζήν (Zḗn).[6][1] English day is not related.[1]

Earliest recorded meaning

The Homilies d'Organyà already have dia: all the prophecies will cease on the day of judgement (e·l dia del judici).[3] The same text has the Latinism dia cotidi, from cottīdiē.[2] A Pallars document of 1242 uses aquel dia eless “that same day”, and Jaume I's chronicle speaks of Palm Sunday, dia de Rams.[3]

Semantic evolution

Early on the word entered adverbial phrases with the so-called adverbial -s, as in de nits: ésser dies “to be daytime” in a document of Camarasa of 1295, fer-se dies “to dawn” about 1309.[3] L'altre dia meant “the day after tomorrow” in Jaume I's chronicle and still means “the day before yesterday” in the Capcir.[3]

Medieval texts use dia both for the full day of twenty-four hours and for the time between sunrise and sunset;[7] gran dia was broad daylight, as in Muntaner, and mig dia noon.[7] Derivatives include adiar “to fix a day” from the 15th century and diada “feast day” from 1577;[4] diana “reveille”, in Roig's Spill of 1460, came from Italian, and diari from Latin in 1696.[4]

Timeline

  • Late 12th or early 13th century – dia in the Homilies d'Organyà.[3][8]
  • 1242 – a Pallars document: aquel dia eless.[3]
  • 1295 – ésser dies in a document of Camarasa.[3]
  • 1309 – first record of dimecres.[4]
  • c. 1309 – fer-se dies “to dawn”.[3]
  • 1325 – Muntaner uses gran dia for broad daylight.[7]
  • 1577 – first record of diada.[4]
  • 1932 – Fabra's Diccionari general defines the day as the time the light of the sun lasts.[9]

Meanings

Noun

  1. day: the time during which the sun gives light, or the interval between one night and the next: A l'estiu els dies s'allarguen fins tard.[10][5][1]
  2. The weather of a day: Avui fa un dia rúfol.[10][5]
  3. (astronomy) The time the Earth takes to turn once on its axis, divided into twenty-four hours.[10][5]
  4. A date in the calendar; a feast day: el dia de Sant Jordi.[5][2]
  5. (in the plural) Life, lifetime: Va passar els seus darrers dies al poble.[5][2]
  6. Age, especially old age: Ja és un home de dies.[5][2]

Word family

  • adiar
  • adiament
  • diada
  • diassa
  • migdia
  • diari
  • diürn
  • jorn
  • dilluns
  • dijous
  • dissabte
  • Latin diēs
  • Spanish día

Usage notes

In rural upper Catalonia bon dies is heard as a greeting instead of bon dia;[3] Coromines links it both with Spanish buenos días and with the old adverbial dies.[3]

L'altre diassa “some days ago”, an augmentative of l'altre dia, belongs to the rural speech of the pre-Pyrenees and the Balearics.[3]

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Alcover, Antoni M.; Moll, Francesc de B. (1930–1962), Diccionari català-valencià-balear, 10 vols., Palma de Mallorca: Moll, p. s.v. dia
  3. ^ a b c d e f g h i j k l m n o p 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, 116
  4. ^ a b c d e Bruguera, Jordi (1996), Diccionari etimològic, Barcelona: Enciclopèdia Catalana, p. 281
  5. ^ a b c d e f g Enciclopèdia Catalana, Gran diccionari de la llengua catalana (GDLC), Barcelona: Enciclopèdia Catalana; online edition, https://www.diccionari.cat, p. s.v. dia
  6. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  7. ^ a b c Faraudo de Saint-Germain, Lluís, Vocabulari de la llengua catalana medieval, online edition, Barcelona: Institut d'Estudis Catalans, p. s.v. dia
  8. ^ Torruella, Joan; Pérez Saldanya, Manuel; Martines, Josep (dirs.), Corpus Informatitzat del Català Antic (CICA), https://www.cica.cat, p. s.v. dia
  9. ^ Fabra, Pompeu (1932), Diccionari general de la llengua catalana, Barcelona: Llibreria Catalònia, p. s.v. dia
  10. ^ a b c 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. dia

Related etymologies

Cite this entry

“Dia.” Etymologically, 13 Nov. 2026, etymologically.com/ca/dia. Accessed 14 Nov. 2026.

Last edited on . ·