Italian monk leaving mountain makes proclamation (5)

I believe the answer is:

edict

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'proclamation' is the definition.
(I know that edict is a type of proclamation)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for edict that I've seen before include "Authoritative ruling" , "Formal proclamation" , "Regulation" , "Canon" , "Legally-binding order" .)

I've seen this clue in The Times.

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