Buffoon accounting for Docklands refit? (7)

I believe the answer is:

pierrot

I'm a little stuck... Click here to teach me more about this clue!

'buffoon' is the definition.
(I've seen this in another clue)

I don't understand how the remainder of the clue works.

(Other definitions for pierrot that I've seen before include "he's white-faced at work" , "I report on French pantomime clown" , "Clown from French pantomime with white face and costume - tripe or what?" , "Period; incantation" , "Type of clown" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.