Crossword Genius

Entrusting natural surrounding for point of sale (7)

Ross

I believe the answer is:

reposal

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

'sale' is the definition.
Both the definition and answer are singular nouns.
Perhaps there's a link between them I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Another definition for reposal that I've seen is " The rest".)

I've seen this clue in the Sydney Morning Herald.
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