lustrum
英 ['lʌstrəm]
美
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- 释义
- 词态变化
- 英文词源
- 英英释意
释义
词态变化
复数: lustrums; lustra;
英文词源
- lustrum (n.)
- (plural lustra), "purification of the Roman people every five years," 1580s, from Latin lustrum, perhaps from root of luere "to wash," related to lavere (see lave). Or [Watkins, Klein] from PIE *leuk-stro-, from base *leuk- "light, brightness."
英英释意
- 1. a period of five years
- 2. a ceremonial purification of the Roman population every five years following the census