千せん年ねん紀きせんねんきFreq.FrequencyTop 100,000Meanings1nounmillenniumRefers to a period of one thousand years, often used in historical or futuristic contexts.新あたらしい千せん年ねん紀きの始はじまりを祝いわう。Celebrate the beginning of a new millennium.この文ぶん明めいは千せん年ねん紀きを超こえて続つづいた