Etymologically

undeviginti

Etymology and origin of the Latin word undeviginti

Confidence
Established
Formation
Compound
First attested
81–43 BC, Cicero
Ultimate origin
Proto-Italic *oino-,*dē,*wīkentī
Etymology tree
inherited borrowed derived
Latin unus
French un
Italian un
Italian uno
Latin undeviginti
From the same root
Latin aduno ← unus
Latin noenum ← unus
Latin unanimus ← unus
Latin undecim ← unus
Latin uni- ← unus
Latin unicornis ← unus
Latin unicus ← unus
Latin uniter ← unus
Latin universus ← unus
Latin unusquisque ← unus
Italian ognuno ← uno
Italian qualcuno ← uno

Pronunciation

  • Classical: [uːn.deː.wiːˈɡɪn.tiː][1]
  • Ecclesiastical: [un.de.viˈd͡ʒin.ti][1]

Forms

ūndēvīgintī (indeclinable)[1]

Etymology

It is formed from Latin ūnus (“one”) + dē (“from”) + vīgintī (“twenty”), literally “one from twenty”.[2][3][1] De Vaan lists it, from Cicero on, among the words made from vīgintī, beside duodēvīgintī (“eighteen”), which is formed the same way.[4] He traces the word for twenty to Proto-Italic *wīkentī and Proto-Indo-European *dui-dḱmt-ih1 (“twenty”).[4]

Earliest recorded meaning

Cicero has it in the Brutus of someone undeviginti annos natus, “nineteen years old”.[3][5]

Semantic evolution

It stayed the ordinary word for nineteen: Livy counts nineteen military standards with it, and Tacitus uses it in the Annals.[3][5]

Timeline

  • 81–43 BC – Cicero uses it of a man nineteen years old.[3][4][6]
  • 59 BC–17 AD – Livy counts nineteen military standards.[3][6]
  • 98–115 AD – Tacitus uses it in the Annals.[5][6]

Meanings

Numeral

  1. Nineteen.[2][3][7]

Usage notes

The forms novendecim and novemdecim, which count up instead of down, also occur.[1]

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e f Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  5. ^ a b c Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  6. ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  7. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
Cite this entry

“Undeviginti.” Etymologically, 24 Oct. 2026, etymologically.com/la/undeviginti. Accessed 24 Oct. 2026.

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