Intend critical book to lose (4)

I believe the answer is:

plan

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'intend' is the definition.
(planning is a kind of intending)

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

(Other definitions for plan that I've seen before include "Large-scale map" , "Schedule" , "Contrive" , "Blueprint" , "Devise a way to achieve" .)

I've seen this clue in The Mirror.

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