Remove material that is considered improper or offensive from (a text or account), especially with the result that the text becomes weaker or less effective.

Derived from Dr Thomas Bowdler (1754–1825), who published an expurgated edition of Shakespeare in 1818.

Americans 'ize' it. 

Source: https://en.oxforddictionaries.com/definition/bowdlerize 

(✂︎ From the ongoing #JoDoesPhD words I googled this week series)