Before the indication to stop, absolutely nothing is produced (8)

I believe the answer is:

fathered

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'produced' is the definition.
The definition and answer can be both related to bodily activities as well as being past participle verbs.
Maybe you can see an association between them that I can't see?

'before the indication to stop absolutely nothing' is the wordplay.
I cannot really understand how this works, but
'before' could be 'ere' (usually literary) and 'ere' is located in the answer.
'nothing' could be 'fa' and 'fa' is present in the answer.
This explanation may well be incorrect...

'is' acts as a link.

Can you help me to learn more?

I've seen this clue in The Independent.

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