Etymologically

Etymology and origin of the Latin word etesiae

Confidence
Established
Formation
Borrowing
First attested
1st century BC (Lucretius, Cicero)
Borrowed from
Ancient Greek ἐτησίαι
Ultimate origin
Ancient Greek ἔτος

Forms

etēsiae m pl (genitive etēsiārum); first declension[1][2]

Etymology

It is borrowed from Ancient Greek ἐτησίαι (etēsíai), with ἄνεμοι (ánemoi, “winds”) understood,[1][2][3] from ἐτήσιος (etḗsios, “yearly”), from ἔτος (étos, “year”).[4]

Ancient writers explained the name from the year: Hyginus says the winds were so called because they rise every year at a fixed time, and Isidore of Seville gives the same reason.[2][5] Hyginus also reports a form ⟨aetēsiae⟩, which the OLD explains as an association with αἰτέω (aitéō, “to ask”), from the story that they were granted at Aristaeus' request by Jupiter.[1][2]

Earliest recorded meaning

It is used by Lucretius and Cicero,[6][7] for the north-westerly winds that blow every year in the Mediterranean during the dog days.[1][7]

Semantic evolution

The word stayed a geographical and meteorological term for winds that blow at a fixed season, mostly north winds.[1][2] L&S says that they blow for forty days, and Hyginus has them sent to temper the heat of the Dog Star.[6][2] Caesar, Livy, Seneca and Columella use it too,[6] and Pliny the Elder has a singular etēsiās.[1] Isidore describes them as gusts of the north wind that blow straight from the north towards Egypt.[5]

The TLL records many spellings, such as ⟨etasiae⟩, ⟨etesii⟩ and ⟨ethesiae⟩, and glossaries call them a breeze from the north.[2]

Timeline

  • 96–55 BC – Lucretius uses it.[6][8]
  • 81–43 BC – Cicero uses it in his letters and his treatise on the gods.[6][8]
  • c. 50 BC – Caesar uses it.[6][8]
  • 23/24–79 AD – Pliny the Elder uses the singular etēsiās.[1][8]
  • c. 560–636 AD – Isidore explains the name from the year.[5][8]

Meanings

Noun

  1. (plural) The etesian winds, north-westerly winds that blow every summer in the Mediterranean during the dog days.[1][6]
  2. In general, winds that blow at a fixed time of year.[1][2]
  • etēsius

References

  1. ^ a b c d e f g h i Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  2. ^ a b c d e f g h Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  3. ^ Saalfeld, Günther Alexander (1874), Index Graecorum vocabulorum in linguam latinam translatorum, Berlin: Weidmann
  4. ^ Beekes, Robert S. P. (2010), Etymological Dictionary of Greek, with the assistance of Lucien van Beek, Leiden Indo-European Etymological Dictionary Series 10, Leiden; Boston: Brill
  5. ^ a b c Isidore of Seville, Etymologiarum sive Originum libri XX, ed. W. M. Lindsay (Oxford, 1911).
  6. ^ a b c d e f g Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  7. ^ a b Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  8. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de

Related etymologies

Cite this entry

“Etesiae.” Etymologically, 20 Oct. 2026, etymologically.com/la/etesiae. Accessed 23 Oct. 2026.

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