aetas.
lifetime, age, generation; period; stage, period of life, time, era;
Meaning & usage
the period of a life: lifetime, lifespan
time of life, period or stage of life, age
an undefined, relatively long period of time: an age, an era, a term, a duration
a generation
Where this word comes from
Etymology tree Proto-Indo-European *h₂ey- Proto-Indo-European *-u Proto-Indo-European *h₂óyu Proto-Indo-European *-wom Proto-Indo-European *h₂oywom Proto-Italic *aiwom Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Proto-Italic *-tāts Proto-Italic *aiwotāts Latin aetās Ultimately from Proto-Italic *aiwotāts, from *aiwom + *-tāts, from Proto-Indo-European *h₂ey- (“vital energy, life”). By surface analysis, aevum + -tās. There are varying proposals for the exact series of processes that resulted in this term: * Sihler proposes that it was syncopated from earlier Old Latin aevitās, itself from Proto-Italic *aiwotāts. * De Vaan suggests that it may derive from earlier *aiotās, itself from *aiwotāts * De Vaan alternatively suggests that it may derive from earlier *ajitās, from *aiwitās, itself also from *aiwotāts. Fortson also records *aiwitās as the pre-form of this term.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.