Risk of standard diet originally eaten by kangaroo, after a change of heart (8)

I believe the answer is:

jeopardy

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'risk' is the definition.
(I know that risk can be written as jeopardy)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for jeopardy that I've seen before include "See 15" , "Danger of injury, loss, death, etc" , "Danger of harm" , "Personal danger" , "Peril. danger" .)

I've seen this clue in The Guardian.

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