verb tr.: to remove parts considered objectionable
From Latin expurgare (to purge), from ex- (out) + purgare (to cleanse).
Earliest documented use: 1621
Usage (from Wordsmith)
“The titles [displayed during the Banned Book Week] include The Odyssey by Homer, which Plato suggested expurgating for immature readers and which Caligula tried to suppress because it expressed Greek ideals of freedom.”
News/Community Briefs; Oakland Tribune (California); Oct 1, 2009.