Jacob perhaps endures this second trial (8)

I believe the answer is:

shearing

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'jacob perhaps endures this second trial' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Perhaps you can see a link between them that I don't see?

'second trial' is the wordplay.
'second' becomes 's' (common abbreviation).
'trial' becomes 'hearing' (as in a court hearing).
's'+'hearing'='SHEARING'

Can you help me to learn more?

(Other definitions for shearing that I've seen before include "Removing wool from sheep" , "Breaking off due to strain" , "George, the blind pianist" , "Removing sheep's wool" , "George - - (jazz pianist)" .)

I've seen this clue in The Times.

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