Etymologically

Etymology and origin of the Latin word cometes

Confidence
Established
Formation
Borrowing
First attested
81–43 BC, Cicero
Borrowed from
Ancient Greek κομήτης
Ultimate origin
Ancient Greek κόμη
Etymology tree
inherited borrowed derived
Ancient Greek κομήτης
Latin cometes
From the same root
English comet ← κομήτης

Pronunciation

  • Classical: [kɔˈmeː.teːs][1]
  • Ecclesiastical: [koˈmɛː.tes][1]

Forms

comētēs m (genitive comētae); first declension[1] Prudentius has a nominative comēta.[2][3] The Octavia ascribed to Seneca has an accusative comētam.[4][2]

Etymology

It is borrowed from Ancient Greek κομήτης (komḗtēs, “long-haired; comet”),[4][5][1][6] from κομάω (komáō, “to have long hair”) and ultimately κόμη (kómē, “hair”),[1][7] the noun that Latin also borrowed as coma.[1] The comet was the “long-haired” star because its tail looks like streaming hair.[7]

Earliest recorded meaning

Apart from one corrupt passage of Accius, the TLL records it from Cicero on,[3] for a comet in the De natura deorum and the De divinatione.[2][6]

Semantic evolution

It names a luminous body in the sky with a tail, a comet or meteor.[4][2] It was often taken as a sign of disaster: Virgil says dread comets never blazed so often, and Tibullus calls a comet a sign of war;[4] Lucan speaks of the comet that overturns kingdoms.[4] In hexameter verse it stands only at the end of the line.[3] Seneca devotes the seventh book of his Natural Questions to comets, using the word more than eighty times.[3]

Pliny the Elder notes that the Greeks call these stars comētae and the Romans crīnītae, “hairy ones”.[3] Servius and a scholiast on Juvenal have an accusative comētem, and Gregory of Tours writes comitis.[3][2] Through Old French comete, the Latin word gave English comet about 1200.[7]

Timeline

  • 81–43 BC – Cicero uses it for a comet.[3][2][6]
  • 70–19 BC – Virgil treats comets as portents.[4][6]
  • 4 BC–65 AD – Seneca writes a whole book on comets.[3][6]
  • 23/24–79 AD – Pliny the Elder gives crīnītae as the Latin name.[3][6]
  • 348/49–c. 413 AD – Prudentius uses the form comēta.[2][6]
  • c. 1200 – English takes comet from Old French.[7]

Meanings

Noun

  1. A comet or meteor.[4][2]
  2. A comet as a portent, especially of a great disaster.[4]

Usage notes

Servius explains that the comet is properly so called because it is surrounded by hair on either side.[3] Comētēs is also a Greek personal name, borne in Ovid by one of the Lapiths.[2]

References

  1. ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  3. ^ a b c d e f g h i j 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 h Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  5. ^ Saalfeld, Günther Alexander (1874), Index Graecorum vocabulorum in linguam latinam translatorum, Berlin: Weidmann
  6. ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  7. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com

Related etymologies

Cite this entry

“Cometes.” Etymologically, 20 Oct. 2026, etymologically.com/la/cometes. Accessed 22 Oct. 2026.

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