nox

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Learned borrowing from Latin nox, from Proto-Italic *nokts, from Proto-Indo-European *nókʷts.

nox (plural noctes or (deprecated) noxes or (proscribed) noces)

1. (Can we verify⁽⁺⁾ this sense?) The period of darkness in each twenty-four hours; a night.

From Latin nox (“night; darkness”), by analogy with lux from Latin lūx (“light; daylight, day”). Doublet of night.

nox (plural nox)

1. (rare) millilux (unit of illuminance)

From N (“nitrogen”) +‎ ox (“oxide”).

nox (uncountable)

2. Alternative form of NOx (nitrogen oxides)
4. Abbreviation of nitrous oxide (“N₂O”).

   Synonym: nos

   Hypernyms: NOx, nox, nitrogen oxide < oxide < compound, substance, material

   Coordinate terms: nitric oxide (NO), nitrogen dioxide (NO₂)

   Near-synonym: nos

• XON

• (Classical Latin) IPA^(key): [ˈnɔks]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈnɔks]

Inherited from Proto-Italic *nokts, from Proto-Indo-European *nókʷts. Cognate with Ancient Greek νύξ (núx), Sanskrit नक्त् (nákt), Old English niht (whence English night), Proto-Slavic *noťь.

nox f (genitive noctis); third declension

1. night (period of time)

   Antonym: diēs

   media nox ― midnight

   Nox pars obscūra diēī est. ― Night is the dim part of the day.

   • c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico VII.26:

     Silentio noctis

     By the silence of night

2. darkness

   Synonyms: creperum, obscūritās

3. a dream or sleep
   • 29 BCE – 19 BCE, Virgil, Aeneid 4.530
4. (figuratively) confusion
5. (figuratively) ignorance
   • 8 CE, Ovid, Metamorphoses 6.472
6. (figuratively) death

Third-declension noun (i-stem).

Suppletive noctū is used temporally in Old Latin.

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

nox (not comparable) (Old Latin)

1. by night, at night

   Synonyms: nocte, noctū

   • 5th century BC, The Twelve Tables, in

     c. 431 CE, Macrobius, Saturnalia 1.4

     :

     Non esse ab re puto hoc in loco id quoque ammonere, quod decemviri in duodecim tabulis inusitatissime nox pro noctu dixerunt. Verba haec sunt: si nox furtum factum sit. si im occisit iure caesus esto: […]

     (please add an English translation of this quotation)

   • 239 BCE – 169 BCE, Ennius, Annales, in

     c. 500 CE, Priscian, Institutiones Grammaticae p724

     :

     si luci, si nox, si mox, si jam data sit frux

     (please add an English translation of this quotation)

   • c. 209 BCE, Plautus, Asinaria 3.3.7:

     Quo nunc abis? Quin tu hic manes? — Nox, si voles, manebo.

     (please add an English translation of this quotation)

   • c. 165 BCE – 103 BCE, Gaius Lucilius, Saturae 3, in

     c. 4th-5th century, Servius, In Vergilii Aeneidem Commentarii 10.244

     :

     hinc media remis Palinurum pervenio nox

     (please add an English translation of this quotation)

• “nox”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “nox”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "nox", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “nox”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • a star-light night: nox sideribus illustris
    
  • till late at night: ad multam noctem
    
  • in the silence of the night: silentio noctis
    
  • night and day: noctes diesque, noctes et dies, et dies et noctes, dies noctesque, diem noctemque
    
  • to prolong a conversation far into the night: sermonem producere in multam noctem (Rep. 6. 10. 10)
    
  • night breaks up the sitting: nox senatum dirimit
    
  • (ambiguous) while it is still night, day: de nocte, de die
    
  • (ambiguous) late at night: multa de nocte
    
  • (ambiguous) in the dead of night; at midnight: intempesta, concubia nocte
    
• “nox”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• “nox”, in William Smith, editor (1848), A Dictionary of Greek and Roman Biography and Mythology, London: John Murray
• De Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 416-7

From Proto-Loloish *s-nökᴴ (Bradley). Cognate with Nuosu ꆖꂷ (nur ma, “soybean”), Burmese ပဲနောက် (pai:nauk, “mungbean”), Naxi nvq (“soybean”).

• IPA^(key): [no̠⁴⁴]

nox

1. (Yao'an) bean, pea

nox

1. alternative form of oxe