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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From revenue + -er, reflecting the U.S. Treasury Department's former Bureau of Internal Revenue (a predecessor of the IRS and ATF), because the administrative mechanism for enforcing Prohibition originated in excise tax administration; Wikipedia gives details at Bureau of Alcohol, Tobacco, Firearms and Explosives § History.
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Classic usage
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