Crossword Genius

Remove restrictions from escort carrying key gun back (10)

Ross

I believe the answer is:

deregulate

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'remove restrictions from' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for deregulate that I've seen before include "Remove restrictions from" , "Remove controls from" .)

I've seen this clue in The Times.
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