It can blemish satin badly (5)

I believe the answer is:

stain

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'it can blemish' is the definition.
The definition suggests a singular noun which matches the answer.

'satin badly' is the wordplay.
'badly' indicates anagramming the letters (letters in the wrong order).
'satin' anagrammed gives 'STAIN'.

Can you help me to learn more?

(Other definitions for stain that I've seen before include "Discolouring mark" , "Unsightly mark" , "Colour, dye" , "Black mark for saint" , "Stigma" .)

I've seen this clue in the Evening Standard.

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