lustrumn.

Brit.

/ˈlʌstrəm/, U.S.

/ˈləstrəm/

Forms: Plural lustra, lustrums, nonstandard lustras.

Etymology: < Latin lūstrum; usually believed to be < root of luĕre to wash (cognate with lavāre lave v.¹).

1. Roman History. A purificatory sacrifice made by the censors for the people once in five years, after the census had been taken. Hence, the census itself.

ΘΚΠ

the world > relative properties > number > enumeration, reckoning, or calculation > [noun] > counting people

numberingc1325

numbera1382

lustrum1598

capitation1646

poll1659

roll-calling1752

roll-call1763

census1769

conscription1797

head-counting1831

roller1883

headcount1913

1598 R. Grenewey tr. Tacitus Annales xi. viii. 150 He [Claudius]..appointed a view to be taken of the citie which is called Lustrum, and the number of the citizens to be inrolled.

1780 Ann. Reg., Chron. 224/2 We hear from Rome that they had a lustrum (or a numbering of the people) there on the 24th of June, when it appeared there were in that city 155,184 inhabitants.]

2. A period of five years.In Latin sometimes used for a period of four years.

ΘΚΠ

the world > time > period > year > [noun] > period of specific number of years

hendecadOE

a week of yearsa1382

weekc1384

Olympiada1387

lustre1387

yearc1425

millenary1551

prenticeship1553

septenary1576

lustrum1590

quinquennal1590

seventy1590

septimane1603

quinquennie1606

threescore (years) and tena1616

duodecad1621

quinquennium1621

jubilee1643

quadrenniala1646

chiliad1653

septennary1659

septennium1660

triennial1661

millennium1664

tetraëterid1678

octennial1679

duodenary1681

quadrennium1779

septenniad1836

quinquenniad1842

milliad1843

tricentenary1846

triennium1847

vicennium1847

bimillenary1850

lustration1853

sexennium1858

septennate1874

quinquennial1877

pentad1880

sexennate1898

aeon1960

1590 L. Lloyd Consent of Time To Rdr. sig. a3 Can any true accompt of time be made..by the censure of Lustrum, which the Grecians call Penteterides.

1601 P. Holland tr. Pliny Hist. World I. 24 The Lustrum or computation of the fiue yeares beginneth at the leap yere, when the Dogstar doth arise.

1666 J. Smith Γηροκομία Βασιλικὴ 264 Prolonging them..to so many years or Lustras.

1682 Heraclitus Ridens 6 June 2 Till two short Lustra o're your Sacred Head shall flow.

1742 E. Young Complaint: Night the Second 14 We push Time from us, and we wish Him back, Lavish of Lustrums, and yet fond of Life.

a1849 E. A. Poe Morella Thus passed away two lustra of her life.

1901 M. J. F. McCarthy Five Years Ireland xxiv. 343 There were, during the lustrum under review, 1077 men in Ireland who had been called to the Bar.

3. U.S. In college use.

ΚΠ

1850 W. R. Williams Relig. Progress (1854) ii. 36 It is the book not of an academic lustrum only, nor of a lifetime, but of generations.

1860 C. Durfee Hist. Williams Coll. 290 A proposition was then submitted to the Alumni..that the classes in lustrums, or divisions of fours, engage to contribute two hundred and fifty dollars each.

This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2022).

单词	lustrum
释义	lustrumn. Brit. /ˈlʌstrəm/, U.S. /ˈləstrəm/ Forms: Plural lustra, lustrums, nonstandard lustras. Etymology: < Latin lūstrum; usually believed to be < root of luĕre to wash (cognate with lavāre lave v.¹). 1. Roman History. A purificatory sacrifice made by the censors for the people once in five years, after the census had been taken. Hence, the census itself. ΘΚΠ the world > relative properties > number > enumeration, reckoning, or calculation > [noun] > counting people numberingc1325 numbera1382 lustrum1598 capitation1646 poll1659 roll-calling1752 roll-call1763 census1769 conscription1797 head-counting1831 roller1883 headcount1913 1598 R. Grenewey tr. Tacitus Annales xi. viii. 150 He [Claudius]..appointed a view to be taken of the citie which is called Lustrum, and the number of the citizens to be inrolled. 1780 Ann. Reg., Chron. 224/2 We hear from Rome that they had a lustrum (or a numbering of the people) there on the 24th of June, when it appeared there were in that city 155,184 inhabitants.] 2. A period of five years.In Latin sometimes used for a period of four years. ΘΚΠ the world > time > period > year > [noun] > period of specific number of years hendecadOE a week of yearsa1382 weekc1384 Olympiada1387 lustre1387 yearc1425 millenary1551 prenticeship1553 septenary1576 lustrum1590 quinquennal1590 seventy1590 septimane1603 quinquennie1606 threescore (years) and tena1616 duodecad1621 quinquennium1621 jubilee1643 quadrenniala1646 chiliad1653 septennary1659 septennium1660 triennial1661 millennium1664 tetraëterid1678 octennial1679 duodenary1681 quadrennium1779 septenniad1836 quinquenniad1842 milliad1843 tricentenary1846 triennium1847 vicennium1847 bimillenary1850 lustration1853 sexennium1858 septennate1874 quinquennial1877 pentad1880 sexennate1898 aeon1960 1590 L. Lloyd Consent of Time To Rdr. sig. a3 Can any true accompt of time be made..by the censure of Lustrum, which the Grecians call Penteterides. 1601 P. Holland tr. Pliny Hist. World I. 24 The Lustrum or computation of the fiue yeares beginneth at the leap yere, when the Dogstar doth arise. 1666 J. Smith Γηροκομία Βασιλικὴ 264 Prolonging them..to so many years or Lustras. 1682 Heraclitus Ridens 6 June 2 Till two short Lustra o're your Sacred Head shall flow. 1742 E. Young Complaint: Night the Second 14 We push Time from us, and we wish Him back, Lavish of Lustrums, and yet fond of Life. a1849 E. A. Poe Morella Thus passed away two lustra of her life. 1901 M. J. F. McCarthy Five Years Ireland xxiv. 343 There were, during the lustrum under review, 1077 men in Ireland who had been called to the Bar. 3. U.S. In college use. ΚΠ 1850 W. R. Williams Relig. Progress (1854) ii. 36 It is the book not of an academic lustrum only, nor of a lifetime, but of generations. 1860 C. Durfee Hist. Williams Coll. 290 A proposition was then submitted to the Alumni..that the classes in lustrums, or divisions of fours, engage to contribute two hundred and fifty dollars each. This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2022). < n.1590
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