Special op created by and relating to bishops (9)

I believe the answer is:

episcopal

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'relating to bishops' is the definition.
(I've seen this before)

'special op created' is the wordplay.
'created' indicates anagramming the letters (I've seen 'create' mean this).
'special'+'op'='specialop'
'specialop' anagrammed gives 'EPISCOPAL'.

'by and' is the link.
This may not be right. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for episcopal that I've seen before include "Pepsi-Cola for bishops' kind of business" , "Alice's pop? (anag)" , "run by bishops" , "Pepsi-Cola (anag) - pertaining to a bishop" , "controlled by bishop" .)

I've seen this clue in The Daily Express.

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