Spread better saving skin with quite good form (9)

I believe the answer is:

etiquette

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

'good form' is the definition.
(thesaurus)

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

(Other definitions for etiquette that I've seen before include "Code of politeness" , "Convention" , "Behavioural code" , "Code of conduct" , "What's done" .)

I've seen this clue in The Times and The Sunday Times.

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.