Latin

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Etymology

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    Substantivization of diurnus (day, relational adjective). Sense 3 documented from the fourth century AD.[1]

    Pronunciation

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    Noun

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    diurnum n (genitive diurnī); second declension

    1. a day's ration, daily proportion or allowance
    2. an account book of day-to-day issues, daybook, record, minutes
      • 121 C.E., Suetonius, De Vita Caesarum:
        Extat talis scriptura in plerisque libris ac diurnis titulisque operum.
        We can still to this day see this font in number of books, account books, and on the front of many buildings.
    3. (Late Latin) day (specifically the time when the sun is up)
      Synonym: diēs

    Declension

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    Second-declension noun (neuter).

    singular plural
    nominative diurnum diurna
    genitive diurnī diurnōrum
    dative diurnō diurnīs
    accusative diurnum diurna
    ablative diurnō diurnīs
    vocative diurnum diurna

    Descendants

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    • Italo-Romance:
      • Corsican: ghjornu
      • Italian: giorno
      • Neapolitan: juorno
      • Sicilian: jornu
    • Padanian:
    • Gallo-Romance:
      • Catalan: jorn
      • Franco-Provençal: jorn
      • Old French: jor (see there for further descendants)
      • Old Occitan: jorn

    Adjective

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    diurnum

    1. inflection of diurnus:
      1. masculine accusative singular
      2. neuter nominative/accusative/vocative singular

    References

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    1. ^ Walther von Wartburg (1928–2002) “diurnum”, in Französisches Etymologisches Wörterbuch, volume 3: D–F, page 105

    Further reading

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