yearthousand.
millennium (a thousand-year timespan)
Meaning & usage
millennium (a thousand-year timespan)
Where this word comes from
From year + thousand, a calque of either Latin millennium (from mīllennis, “thousand-year”), or, more probably, of a Germanic-language term (most likely from German); compare Dutch jaarduizend, German Jahrtausend, Norwegian årtusen, Icelandic árþúsund, and Swedish årtusende, all meaning “millennium” and being composed of the cognates (sisterwords) of English year and thousand.
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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.