Did the Romans have a specific word to imply 1000 years? Millennium is Latin, of course, but it's later Latin and I'm trying to find something more classical. There are more general words for periods of time, but I haven't found anything that is specifically 1000 years.

For some added context, if I wanted to say we're in the third millennium, third millennium is succinct in English but could be less succinct in Latin.

1 Answer 1


They did not have one single word like we do/Neo-Latin did with millennium. When Cicero talks about "thousands of years", he simply says multa annorum milia.

One workaround later authors used is the adjective miliarius. Tertullian (De Anima 31) has aevum miliarium to mean "a period of 1000 years." It's two words, but it does seem to be a singular unit of sorts. The only issue is that I don't see it in anything earlier than Tertullian. While it was typically used substantively in the neuter to mean "milestone marker" Augustine (Civ. Dei 20.7) uses miliarium annorum. It's quite a bit later than "Classical Rome," but it's probably the closest you'll get to "millennium."

An off-the-wall suggestion could be decem saecula, using the narrower meaning of saeculum as a period of one hundred years (and I suppose adding the decem to it would suggest that particular meaning).

  • Thanks! Tertullian is close enough to classical for my comfort.
    – Adam
    Aug 15, 2021 at 21:58

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