Bear in cave (if switched round) (5)

I believe the answer is:

yield

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'bear' is the definition.
(I know that bear can be written as yield)

I can't explain the rest of the clue.

(Other definitions for yield that I've seen before include "Knuckle under" , "Give way; produce" , "Produce, generate" , "Cave in" , "Submit; produce" .)

I've seen this clue in The Guardian.

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