also: ミレニウム
noun
A period of one thousand years, often used in historical, futuristic, or celebratory contexts (e.g., the turn of the millennium).
2000年は新しいミレニアムの始まりだった。
The year 2000 was the start of a new millennium.
Standard katakana spelling for the English loanword 'millennium'.
Less common variant; lists it not high priority.
Borrowed from English 'millennium', ultimately from Latin 'mille' (thousand) and 'annus' (year).