Break an egg again then bring it back to its original condition? (7)

I believe the answer is:

restore

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But I can't explain it at all! Could you help me understand?

(Other definitions for restore that I've seen before include "Give back - return to former state" , "Repair, renovate" , "Bring back; repair" , "Bring back; renovate" , "Refurbish" .)

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