diurnus

Latin

Etymology

Rhotacization of earlier *diusnus, from diūs (earlier nominative of diēs) +‎ -nus (suffix forming adjectives). Re-analysed as diū (“by day”) +‎ -rnus.

Pronunciation

• (Classical) IPA^(key): /diˈur.nus/, [d̪iˈʊrnʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /diˈur.nus/, [d̪iˈurnus]

Adjective

diurnus (feminine diurna, neuter diurnum); first/second-declension adjective

1. of the day
2. daily

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	diurnus	diurna	diurnum		diurnī	diurnae	diurna
Genitive	diurnī	diurnae	diurnī		diurnōrum	diurnārum	diurnōrum
Dative	diurnō		diurnō		diurnīs
Accusative	diurnum	diurnam	diurnum		diurnōs	diurnās	diurna
Ablative	diurnō	diurnā	diurnō		diurnīs
Vocative	diurne	diurna	diurnum		diurnī	diurnae	diurna

Antonyms

• nocturnus

Derived terms

• diurnālis
• diurnārius
• diurnāta
• diurnē
• diurnō

Noun

diurnus m (genitive diurnī); second declension

1. (Medieval Latin) day

Declension

Second-declension noun.

Case	Singular	Plural
Nominative	diurnus	diurnī
Genitive	diurnī	diurnōrum
Dative	diurnō	diurnīs
Accusative	diurnum	diurnōs
Ablative	diurnō	diurnīs
Vocative	diurne	diurnī

Descendants

• Italo-Dalmatian:
  • Corsican: ghjornu
  • Italian: giorno
  • Neapolitan: juorno
  • Sicilian: jornu
  • Venetian: zorno, giorno
• Gallo-Romance:
  • Old Francoprovençal: jor, jorn
    • Franco-Provençal: jor
  • Old French: jor, jorn
    • Bourguignon: jor
    • Franc-Comtois: djoué
    • French: jour
      • → Norwegian Bokmål: jour
    • Norman: jour
    • Walloon: djoû
• Occitano-Romance:
  • Old Occitan: jorn
    • Occitan: jorn
• Ibero-Romance:
  • Portuguese: jorna
• Ido: jorno

• → Franco-Provençal: diurno
• → French: diurne
  • → Romanian: diurn (learned)
• → Italian: diurno
• → Piedmontese: diurn
• → Portuguese: diurno
• → Romanian: diurn
• → Spanish: diurno

See also descendants at diurnāta.

References

• “diurnus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “diurnus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• diurnus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• diurnus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • travelling day and night: itinera diurna nocturnaque