lustrum

英 ['lʌstrəm] 美
  • n. 五年时间;人口普查

英英释义


1. a period of five years
2. a ceremonial purification of the Roman population every five years following the census

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."

词态变化


复数: lustrums lustra;