millennium.
millennium;
Meaning & usage
millennium
Where this word comes from
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sm̥- Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂ Proto-Indo-European *smih₂ Proto-Indo-European *ǵʰes- Proto-Indo-European *-lom Proto-Indo-European *ǵʰéslom ▲ Proto-Indo-European *-ih₂ Proto-Indo-European *ǵʰéslih₂ Proto-Indo-European *smih₂ǵʰéslih₂ Proto-Italic *smīɣeslī Latin mīlle Proto-Indo-European *h₂et- Proto-Indo-European *-nós Proto-Indo-European *h₂etnós Proto-Italic *atnos? Latin annus Latin annīs Latin mīllennis Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -iusnom. Latin -ium Latin millennium From mīllennis (“thousand-year”) + -ium (abstract-noun suffix). Mīllennis is a compound of mīlle (“thousand”) + annīs (“by years”, ablative plural of annus, “year”).
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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.