Etymologically

Etymology and origin of the Latin word nonanus

Confidence
Established
Formation
Derivation
First attested
98–115 AD, Tacitus
Ultimate origin
Latin nōnus
Etymology tree
inherited borrowed derived
Latin nonus
Latin nonanus

Pronunciation

  • Classical: [noːˈnaː.nʊs][1]
  • Ecclesiastical: [noˈnaː.nus][1]

Forms

nōnānus (feminine nōnāna, neuter nōnānum); first/second-declension adjective[1]

Etymology

It is from Latin nōnus (“ninth”) + -ānus, from the feminine ⟨nōna⟩ understood with legiō (“legion”).[2][1][3]

Earliest recorded meaning

It is first found in Tacitus,[4] who in the Annals speaks of a mīles nōnānus, a soldier of the ninth legion.[3][5]

Semantic evolution

It was a soldiers' word for the men of the ninth legion, as an adjective and, in the masculine plural, as a noun;[2][3] Tacitus also uses the singular collectively for the whole legion in the Agricola.[5][2]

Timeline

  • 98–115 AD – Tacitus uses it as adjective and noun in the Annals and the Agricola.[3][5][4]

Meanings

Adjective

  1. Of or belonging to the ninth legion.[2][3][6]

Noun

  1. A soldier of the ninth legion;[2][3][6] (plural) the men of the ninth legion.[2][3][6]
  2. (collective singular) The ninth legion.[2][5]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e f g Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c d Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  6. ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
Cite this entry

“Nonanus.” Etymologically, 21 Oct. 2026, etymologically.com/la/nonanus. Accessed 23 Oct. 2026.

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