χιλιέτης

ου, έος, ὁ
A. lasting a thousand years, περίοδος, πορεία, Pl. Phdr. 249a, R. 621d; βίος Arist. GA 745a34: fem. acc. ‐ετιν v.l. in Pl. R. 615a.
II. χειλιέτης ἀγών, celebration of the thousandth anniversary of the founding of Rome, IG 22.3169.14 (iii A. D.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project