lustre² /lusˈtər/ or lustrum /lusˈtrəm/

1. A ceremonial purification of the Roman people made every five years, after the taking of the census
2. A period of five years

lusˈtral adjective

lusˈtrate transitive verb

1. To purify by sacrifice
2. To perambulate (obsolete)

• prevailing wind
• prevailing winds
• prevailment
• prevailments
• prevails
• prevalence
• prevalences
• prevalencies
• prevalency
• prevalent
• prevalently
• prevaricate
• prevaricated
• prevaricates
• prevaricating
• prevarication
• prevarications
• prevaricator
• prevaricators
• preve
• prevenancies
• prevenancy
• prevene
• prevened
• prevenes