Etymologically

Etymology and origin of the Catalan word ou

Confidence
Established
Formation
Inherited
First attested
1200s Bernat Desclot and Ramon Llull More words from the 12th century
Inherited from
Latin ovum
Ultimate origin
Latin ōvum
Etymology tree
inherited borrowed derived
Latin ōvum
Catalan ou
Romanian ou
English ovum
From the same root
Latin ōvālis ← ōvum
Latin ōvārium ← ōvum
Latin ōvārius ← ōvum

Pronunciation

  • Northern: [ˈo̞w][1]
  • Balearic, Central, Northwestern, Valencia: [ˈɔw][1]

Forms

ou m (plural ous)[1]

Etymology

It is inherited from Latin ōvum (“egg”).[2][3][4][5][1] All the Romance languages point to a popular form with an open vowel, *ŏvum, and the Catalan word too has open /ɔ/.[2][1]

The same Latin word is Occitan uòu, French œuf, Spanish huevo, Portuguese ovo, Italian uovo and Romanian ou.[6][1][7]

The Latin word goes back, with Ancient Greek ᾠόν (ōión, “egg”), to Proto-Indo-European *h₂ōwyóm (“egg”).[8][1]

Earliest recorded meaning

Coromines places the first records at the origins of the written language, in Desclot and Llull.[2] Llull uses the word for the eggs of birds and asks, in the Arbre de filosofia desiderat, which came first, the hen or the egg: Qual fo enans, o la galina o l'ou?[9]

Semantic evolution

Coromines dates several uses of the word: ous ferrats “fried eggs” in 1565, ou estantís “stale egg” in 1655, ous menats “scrambled eggs” in 1718, and the sense “testicle” in a poem of the end of the 15th century.[2] The Curial e Güelfa (1440) has the saying about those who look for a hair in an egg, that is, for a pretext.[2][10] Lacavalleria recorded fer l'ou “to lay” in 1696.[2]

The name was given to egg-shaped things: an apothecary's jar called ou filosòfic (1785) and the young mushroom ou de reig (Caesar's mushroom).[2] Bruguera dates the derivatives ouera (15th century), oval (1696) and ouater (1718); learned words of the same Latin root, such as ovari (1839), came later.[4] The DIEC2 now puts first the biological sense, the cell from which a new organism develops.[11]

Timeline

  • 13th century – first records, in Desclot and Llull.[2][9]
  • 1440 – the Curial e Güelfa: cercar pèl en l'ou.[10]
  • Late 15th century – the sense “testicle”, in a poem.[2]
  • 1565 – ous ferrats “fried eggs”.[2]
  • 1696 – fer l'ou “to lay an egg”, in Lacavalleria's dictionary.[2]
  • 1839 – Labèrnia's dictionary lists the noun and the interjection.[12]

Meanings

Noun

  1. An egg laid by a bird, the embryo with its nutritive fluids in a hard shell: La gallina ha post tres ous avui.[11][5][1]
  2. The similar product of other animals, such as reptiles, fish and insects.[11][3]
  3. An egg, especially a hen's egg, as food: Per sopar es va fer dos ous ferrats.[11][5]
  4. (biology) The fertilised cell from which a new organism develops, a zygote; also the ovum.[11][5]
  5. (colloquial) A testicle.[5][1]
  6. Any object shaped like an egg.[5][3]

Word family

  • ouaire
  • ouat
  • ouataire
  • ouater
  • ouera
  • oval
  • ovalat
  • desovar

Usage notes

In Mallorca and Menorca ou! is also an interjection used to stop an animal, “whoa!”; elsewhere it served to call someone, and repeated it lulls babies to sleep.[13][1][3][5] Escrig's Valencian dictionary of 1851 lists ou as “hear!”, a form of the verb oir.[14]

References

  1. ^ a b c d e f g h i j Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k 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, 142
  3. ^ a b c d Alcover, Antoni M.; Moll, Francesc de B. (1930–1962), Diccionari català-valencià-balear, 10 vols., Palma de Mallorca: Moll, p. s.v. ou
  4. ^ a b Bruguera, Jordi (1996), Diccionari etimològic, Barcelona: Enciclopèdia Catalana, p. 664
  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. ou
  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. s.v. ovum
  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. ^ a b Nou glossari general lul·lià (NGGL), Centre de Documentació Ramon Llull, Universitat de Barcelona, https://nggl.ub.edu, p. s.v. ou
  10. ^ a b Faraudo de Saint-Germain, Lluís, Vocabulari de la llengua catalana medieval, online edition, Barcelona: Institut d'Estudis Catalans, p. s.v. ou
  11. ^ a b c d e 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. ou
  12. ^ Labèrnia, Pere (1839–1840), Diccionari de la llengua catalana ab la correspondencia castellana y llatina, 2 vols., Barcelona, p. s.v. ou
  13. ^ Figuera, Pere Antoni (1840), Diccionari mallorquí-castellà, Palma de Mallorca, p. s.v. ou
  14. ^ Escrig, José (1851), Diccionario valenciano-castellano, Valencia, p. s.v. ou

Related etymologies

Cite this entry

“Ou.” Etymologically, 13 Nov. 2026, etymologically.com/ca/ou. Accessed 14 Nov. 2026.

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