Crossword Genius

Not initially rash, has success in pool? (4)

Ross

I believe the answer is:

pots

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

'not initially rash has' is the definition.
The answer and definition can be both quantities as well as being plural nouns.
Perhaps they are linked in a way I don't understand?

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

Can you help me to learn more?

(Other definitions for pots that I've seen before include "Ceramics; pockets (ball)" , "Cooking utensils" , "Gets (a ball) into pocket" , "Containers; oodles" , "Stop (anag.)" .)

I've seen this clue in The Independent.
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