At unspecified place in meadow, he reverses (8)

I believe the answer is:

wherever

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'at unspecified place' is the definition.
I can't judge whether this definition defines the answer.

'in meadow he reverses' is the wordplay.
'in' says the answer is hidden in the clue.
'WHEREVER' is hidden in the letters of 'meadow he reverses'.

Can you help me to learn more?

(Other definitions for wherever that I've seen before include "At whatever place" , "Doesn't matter what place" .)

I've seen this clue in The Times.

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