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See also: Aetas and ätas


Alternative forms[edit]


Syncope of earlier aevitās, from Proto-Italic *aiwotāts, from *aiwom ((whence also aevum) from Proto-Indo-European *h₂eyu- (lifetime), from Proto-Indo-European *h₂ey- (vital energy, life)) + *-tāts (whence also -tās). Surface etymology: from aevum +‎ -tās.



aetās f (genitive aetātis); third declension

  1. (principally): the period of a life: lifetime, lifespan
  2. time of life, period of life, age
    • 8 CE, Ovid, Fasti 5.353-354:
      et monet aetātis speciē, dum flōreat, ūtī;
      contemnī spīnam, cum cecidēre rosae
      And she urges [us] to indulge in the sight of [young] age, while [it is] still in bloom: The thorn is despised when the roses have fallen.
      (“She” is Flora (mythology).)
  3. an undefined, particularly long period of time: an age, an era, a term, a duration
  4. (metonymically) a generation


Third-declension noun.

Case Singular Plural
Nominative aetās aetātēs
Genitive aetātis aetātum
Dative aetātī aetātibus
Accusative aetātem aetātīs
Ablative aetāte aetātibus
Vocative aetās aetātēs


Derived terms[edit]

  • æt. (aet.) (naturalized into scholarly English of earlier centuries; "æt. 1-25" means "during the age range of 1 to 25 [years]")
  • aetātula
  • aeternus



  • aetas”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • aetas”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • aetas in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • aetas in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • the present day: haec tempora, nostra haec aetas, memoria
    • in our time; in our days: his temporibus, nostra (hac) aetate, nostra memoria, his (not nostris) diebus
    • our generation has seen many victories: nostra aetas multas victorias vidit
    • in the time of Pericles: aetate (temporibus) Periclis
    • the middle ages: media quae vocatur aetas
    • Pericles, the greatest man of his day: Pericles summus vir illius aetatis
    • to live (all) one's life (honourably, in the country, as a man of learning): vitam, aetatem (omnem aetatem, omne aetatis tempus) agere (honeste, ruri, in litteris), degere, traducere
    • to be of such and such an age: ea aetate, id aetatis esse
    • from one's entry into civil life: ab ineunte (prima) aetate (De Or. 1. 21. 97)
    • the prime of youthful vigour: flos aetatis
    • to be in the prime of life: aetate florere, vigere
    • to be in the prime of life: integra aetate esse
    • with advancing years: aetate progrediente
    • with the weight, weakness of declining years: aetate ingravescente
    • manhood: aetas constans, media, firmata, corroborata (not virilis)
    • having reached man's estate: corroborata, firmata aetate
    • to be advanced in years: aetate provectum esse (not aetate provecta)
    • to be more advanced in years: longius aetate provectum esse
    • to be infirm through old age: aetate affecta esse
    • to die at a good old age: exacta aetate mori
    • the last stage of life, one's last days: extrema aetas
    • the last stage of life, one's last days: extremum tempus aetatis
    • to be older than: aetate alicui antecedere, anteire
    • how old are you: qua aetate es?
    • to be entering on one's tenth year: decimum aetatis annum ingredi
    • to be middle-aged (i.e. between thirty and forty): tertiam iam aetatem videre
    • to happen during a person's life, year of office: in aetatem alicuius, in annum incidere
    • our contemporaries; men of our time: homines huius aetatis, nostrae memoriae
    • later writers: scriptores aetate posteriores or inferiores
    • to pass one's life in luxury and idleness: per luxum et ignaviam aetatem agere
    • to devote one's life to science, study: aetatem in litteris ducere, agere
    • the usual subjects taught to boys: doctrinae, quibus aetas puerilis impertiri solet (Nep. Att. 1. 2)
    • the usual subjects taught to boys: artes, quibus aetas puerilis ad humanitatem informari solet
    • to choose a career, profession: genus vitae (vivendi) or aetatis degendae deligere
    • modern history: recentioris aetatis memoria
    • the history of our own times; contemporary history: memoria huius aetatis (horum temporum)
    • universal history: omnis memoria, omnis memoria aetatum, temporum, civitatum or omnium rerum, gentium, temporum, saeculorum memoria
    • the mythical period, the heroic age: aetas heroica (Tusc. 5. 3. 7)
    • the principles which I have followed since I came to man's estate: meae vitae rationes ab ineunte aetate susceptae (Imp. Pomp. 1. 1.)
    • people of every rank and age: homines omnium ordinum et aetatum
    • the consular age (43 years): aetas consularis
    • military age: aetas militaris
    • men exempt from service owing to age: qui per aetatem arma ferre non possunt or aetate ad bellum inutiles
  • aetas”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • aetas”, in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin