lustrum

n. ஐந்தாண்டுகாலம்.

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Lus"trum, n.; pl. E. Lustrums, L. Lustra. Etym: [L. Cf. 2d & 3d Luster.] Defn: A lustration or purification, especially the purification of the whole Roman people, which was made by the censors once in five years. Hence: A period of five years.

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