Etymology

lustrum

lus·trum
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Today it means: A lustration: a ceremonial purification of the people of Rome performed every five years after the census. Full definition →

First used late 16th c.Latin lūstrum
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The story

  1. Latin · borrowed fromlūstrum
  2. English todaylustrum

From Latin lūstrum.

Words from the same roots

Latinlūstrum all →

lusterlustre

First known use, by meaning

  • from late 16th c. A lustration: a ceremonial purification of the people of Rome performed every five years after the census.

Etymology from Wiktionary, CC BY-SA 4.0.