lustrum

Etymology
From.

Noun

 * 1)  A lustration: a ceremonial purification of the people of Rome performed every five years after the census.
 * : Any 5-year period.
 * : Any 5-year period.
 * : Any 5-year period.

Translations

 * French:
 * Latin: lūstrum

Etymology 1
Per De Vaan (2008), from, from (the same root as ). Valpy (1828) proposed instead a borrowing, with change of *d to /l/, from, from.

Noun

 * 1) bog, morass, place where boars and swine wallow
 * 2)  den or lair of wild beasts; wood, forest
 * 3)  (a place of) debauchery
 * 1)  (a place of) debauchery

Etymology 2
From, of origin, with multiple theories proposed:
 * from, from (whence ),
 * or from, from (whence ),
 * or from, from (whence ).

Noun

 * 1)  a purificatory sacrifice (expiatory offering) or lustration performed every five years by the censor
 * 2) a period of five years
 * 1) a period of five years