Thrust from Prince murdered Polonius (10)

I believe the answer is:

propulsion

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'thrust' is the definition.
(thesaurus)

'prince murdered polonius' is the wordplay.
I cannot quite understand how this works, but
'prince' could be 'pr' and 'pr' is present in the answer.
an anagram of 'polonius' is 'opulsion' which is located in the answer.
No letters remain.
This may be the basis of the clue (or it may be nonsense).

'from' acts as a link.

Can you help me to learn more?

I've seen this clue in The Guardian.

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