Threat from peripheral power goddess has left (5)

I believe the answer is:

poesy

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'threat from peripheral power goddess' is the definition.
'poesy' can be an answer for 'goddess' (thesaurus). I am not sure about the 'threat from peripheral power' bit.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for poesy that I've seen before include "Archaic word for poetry" , "archaic verse" , "literary output" , "Art of verse-writing" .)

I've seen this clue in The Sunday Times.

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