Crossword Genius

Impact of French book (4)

Ross

I believe the answer is:

dent

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'impact' is the definition.
The definition and answer can be both related to natural events as well as being singular nouns.
Perhaps you can see an association between them that I can't see?

'of french book' is the wordplay.
'of french' becomes 'de' ('of' in French).
'book' becomes 'NT' (New Testament).
'de'+'nt'='DENT'

Can you help me to learn more?

(Other definitions for dent that I've seen before include "Slight hollow" , "tooth (13) [FRENCH]" , "Slight damage" , "'Dinge, depression (4)'" , "Surface hollow" .)

I've seen this clue in The Mirror.
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