Crossword Genius

As a matter of interest, say, gives up (6)

Ross

I believe the answer is:

yields

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'gives up' is the definition.
(I've seen this in another clue)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for yields that I've seen before include "Gives way, surrenders" , "Surrenders or produces as harvest" , "Crops or dividends" , "Succumbs" , "Submits" .)

I've seen this clue in the Evening Standard.
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