noun🔗Share清めの儀式A ceremonial purification of all the people, performed every five years after the taking of the census; a lustration."Every five years, the Roman governor conducted a lustrum, purifying the population after the census was completed. "5年ごとに、ローマの総督は国勢調査完了後、人口を清める清めの儀式を行った。ritualreligionhistorygovernmentChat with AIVocabulary GamePractice Reading
noun🔗Share5年間(by extension) A period of five years."The company's sales figures showed a significant increase over the past lustrum. "同社の売上高は、過去5年間で大幅な増加を示しました。timeperiodhistoryChat with AIVocabulary GamePractice Reading