Etymologically

longaevitas

Etymology and origin of the Latin word longaevitas

Confidence
Established
Formation
Derivation
First attested
200s Itala More words from the 2nd century
Ultimate origin
Latin longaevus
Etymology tree
inherited borrowed derived
Latin longus
Aromanian lungu
Aromanian ningã
French long
Italian lungo
Latin longaevus
Latin longaevitās
English longevity
From the same root
Latin ēlongō ← longus
Latin longē ← longus
Latin longiter ← longus
Latin longitūdō ← longus
Latin longurius ← longus
Latin praelongus ← longus
Latin prōlongō ← longus
French allonger ← long
French longtemps ← long

Pronunciation

  • Classical: [ɫɔŋˈɡae̯.wɪ.taːs][1]
  • Ecclesiastical: [lon̠ʲˈd͡ʒɛː.vi.tas][1]

Forms

longaevitās f (genitive longaevitātis); third declension[1]

Etymology

It is from Latin longaevus (“of great age”) + -tās.[2][3][4] The adjective longaevus is made of longus (“long”) and aevum (“lifetime, age”).[4]

Earliest recorded meaning

The TLL finds it from the Old Latin Bible (the Itala) and Ambrose on, and apart from Macrobius only in Christian writers;[2] Köbler dates the Itala after 220 AD.[5] It means a long life.[2][3]

Semantic evolution

Ambrose uses it both of the long duration of something, this earthly pilgrimage,[6][7] and of long life, granted to someone;[3][6] Macrobius speaks of the long life of ravens.[3][6] The spelling ⟨longevitas⟩ appears in a papyrus of Avitus.[2]

Medieval Latin kept both senses and added old age.[8][9] British writers use it of the long lives of the patriarchs, such as Methuselah's.[9] English borrowed it as longevity in the 1610s,[4] and it is the source of Italian longevità.[7]

Timeline

  • after 220 AD – The Old Latin Bible (Itala) is the first text the TLL names for it.[2][5]
  • c. 340–397 AD – Ambrose uses it of long duration and of long life.[6][7][5]
  • first half of the 5th century AD – Macrobius speaks of the long life of ravens.[3][6][5]
  • 1610s – English borrows it as longevity.[4]

Meanings

Noun

  1. Long duration.[6][7][8]
  2. Long life, longevity.[3][6][10]
  3. (Medieval Latin) Old age.[8][9]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  3. ^ a b c d e f Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  5. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b c d e f g Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  7. ^ a b c d Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  8. ^ a b c Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  9. ^ a b c 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
  10. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
Cite this entry

“Longaevitas.” Etymologically, 7 Nov. 2026, etymologically.com/la/longaevitas. Accessed 8 Nov. 2026.

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