Crossword Genius

What repels an aficionado of Scripture? (6)

Ross

I believe the answer is:

rebuff

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'scripture?' is the definition.
The answer and definition can be both related to communication as well as being singular nouns.
Maybe there's a link between them I don't understand?

'what repels an aficionado' is the wordplay.
'what' becomes 'er' (I can't explain this - if you can you should give a lot more credence to this answer).
'repels' says the letters should be written backwards (I've seen 'repelling' mean this).
'an aficionado' becomes 'buff' (I've seen this in another clue).
'er' reversed gives 're'.
're'+'buff'='REBUFF'

'of' is the link.

Can you help me to learn more?

(Other definitions for rebuff that I've seen before include "Blunt rejection" , "Refuse" , "Turn off" , "Abrupt or ungracious rejection" , "Snub, blunt refusal" .)

I've seen this clue in The Telegraph.
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