LUSTRATE

PRONUNCIATION: (LUHS-trayt)

MEANING: verb tr.:
1. To purify by means of rituals or ceremonies.
2. To remove undesirable people from an organization, especially in an abrupt or violent manner.

ETYMOLOGY: From Latin lustrare (to make bright). Ultimately from the Indo-European root leuk- (light), which also gave us lunar, lunatic, light, lightning, lucid, illuminate, illustrate, translucent, lux, lynx, pellucid, lucubrate, lutestring, limn, levin, and lea. Earliest documented use: 1623.
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DUSTRATE - how much it costs to clean the house

LUSHRATE - percentage of the population that has alcohol-use disorder

LU'S TRADE - he swapped WHAT for WHAT?