comb-out

the act of removing tangles from you hair with a comb

the act of carefully weeding out unwanted things or people

• “the department got a good comb-out”

remove unwanted elements

• “The company weeded out the incompetent people”
• “The new law weeds out the old inequities”

smoothen and neaten with or as with a comb

• “comb your hair before dinner”
• “comb the wool”