Shot cut in ad to move up (6)

I believe the answer is:

ascend

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'to move up' is the definition.
(synonyms)

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

(Other definitions for ascend that I've seen before include "Get higher" , "Move upwards" , "Travel upwards" , "Mount" , "Soar" .)

I've seen this clue in The Sun.

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