Crossword Genius

Made fresh deal in juggling with dates (11)

Ross

I believe the answer is:

desalinated

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

'made fresh deal' is the definition.
The definition and answer can be both related to change as well as being past participle verbs.
Perhaps you can see an association between them that I don't see?

'in juggling with dates' is the wordplay.
I cannot quite understand how this works, but
'in' is within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Times.
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