Etymologically

Etymology and origin of the Latin word occiduus

Confidence
Established
Formation
Derivation
First attested
43 BC–18 AD, Ovid
Ultimate origin
Latin occidō
Etymology tree
inherited borrowed derived
Latin occido
Italian uccidere
Latin occiduus
From the same root
Latin occidens ← occido

Pronunciation

  • Classical: [ɔkˈkɪ.du.ʊs][1]
  • Ecclesiastical: [otˈt͡ʃiː.du.us][1]

Forms

occiduus (feminine occidua, neuter occiduum); first/second-declension adjective[1]

Etymology

It is from Latin occidō2 (“to fall, set”) + -uus.[2][1][3] The grammarians Nonius and Eutyches also explain it from the verb, as “things that set”.[3]

Earliest recorded meaning

Ovid has it first,[4][3] of the setting sun: in the Metamorphoses he speaks of the shores warmed by the setting sun, occiduō quae lītora sōle tepēscunt.[2][5]

Semantic evolution

The TLL notes that it was a poetic word from Ovid on, in Manilius, Seneca and Lucan, and in prose only once in Pliny the Elder, then in Gellius, Apuleius and later writers.[3] From the setting sun it passed to the evening hour and to the west, the quarter where the sun goes down: Ovid's occiduae aquae are the western sea and his oriēns occiduusque diēs east and west.[2][6] Figuratively it described what is sinking or nearing its end, such as old age in Ovid,[2][5] and in Christian poetry what is frail and perishable, as in Paulinus of Nola.[6][5]

Late writers used it as a noun for the west, as Isidore of Seville did.[6][7] In British medieval Latin it kept the senses of setting and western, and was applied to the western church;[8] Italian has it as occiduo.[5]

Timeline

  • 43 BC–18 AD – Ovid uses it of the setting sun, of the west and of declining old age.[2][4]
  • 1st century AD – Manilius uses it of setting heavenly bodies.[2][4]
  • c. 165 AD – Gellius uses it in prose of the setting sun and of the western winds.[2][4]
  • c. 125–175 AD – Apuleius uses it of the west and, as a noun, of a wind from the west.[2][4]
  • c. 560–636 AD – Isidore of Seville uses it as a noun for the west.[6][4]
  • 639–709 AD – Aldhelm uses it of the setting sun and of the western parts of the world.[8][4]

Meanings

Adjective

  1. Going down, setting (of the sun and other heavenly bodies).[2][6]
  2. Of the time of sunset, of evening.[2]
  3. Drawing to a close, declining (of day, night or old age); liable to die.[2][5]
  4. Western, lying where the sun sets.[2][6]
  5. (Late Latin) Frail, perishable.[6][7]

Noun

  1. (Late Latin) The west.[6][7][9]

Word family

  • occidualis
  • inocciduus

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  4. ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c d e Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  6. ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  7. ^ a b c Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  8. ^ a b Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
  9. ^ Bianchi, Rossella; Lelli, Olga (2014), VOLI: Vocabolario di latino, Florence: Le Monnier
Cite this entry

“Occiduus.” Etymologically, 20 Oct. 2026, etymologically.com/la/occiduus. Accessed 22 Oct. 2026.

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