Money as tip returned we hear? I'm surprised! (9)

I believe the answer is:

baksheesh

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'money' is the definition.
The answer and definition can be both related to property as well as being singular nouns.
Maybe you can see an association between them that I don't see?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for baksheesh that I've seen before include "Small amount given for services rendered" , "Gift of money" , "(Oriental) money given as a tip or alms" , "Gratuity or tip in Middle East" .)

I've seen this clue in The Independent.

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