Where the shoemaker is working, finally? (2,4)

I believe the answer is:

at last

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'finally?' is the definition.
(synonyms)

I cannot understand how the rest of the clue works.

(Other definitions for at last that I've seen before include "Where a snob worked" , "Eventually" , "Where cobbler located" , "Finally, having waited a long time" , "working as a cobbler?" .)

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