The term "Bowdlerize" originated from the Bowdler family, specifically Thomas and Henrietta Bowdler, who published an edition of Shakespeare's works in the early 19th century.
Their aim was to create an edition suitable for family reading, which involved removing or altering words and passages considered indecent, offensive, or otherwise inappropriate for the time.
Based on its origin, "Bowdlerize" specifically refers to:
Therefore, the correct meaning aligns with the expurgation of indelicate language.