Shopkeeper supplying damson and water concoction (11)

I believe the answer is:

tradeswoman

'shopkeeper' is the definition.
(thesaurus)

'damson and water concoction' is the wordplay.
'and' says to put letters next to each other (I've seen this in other clues).
'concoction' indicates an anagram.
'damson' put after 'water' is 'waterdamson'.
'waterdamson' is an anagram of 'TRADESWOMAN'.

'supplying' acts as a link.

I've seen this clue in The Independent.

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