Chiliad (noun) (rare)
A thousand things, or one thousand years.
From the Greek khilioi ‘thousand’.
“In school we learned to count by the chiliads.”
“He said he’d wait an entire chiliad to see it happen again.”
A conference or meeting to discuss a particular subject./ A collection of essays or papers on a particular subject by a number of contributors.
Late 16th century (denoting a drinking party): via Latin from Greek sumposion, from sumpotēs ‘fellow drinker’, from sun- ‘together’ + potēs ‘drinker’.