Crossword Genius

Files about vessel and how long it lasts (8)

Ross

I believe the answer is:

lifespan

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'how long it lasts' is the definition.
I can't judge whether this defines the answer.

'files about vessel' is the wordplay.
'about' is an anagram indicator.
'vessel' becomes 'pan' (vessel or container for cooking).
'files' with letters rearranged gives 'lifes'.
'lifes'+'pan'='LIFESPAN'

'and' acts as a link.

Can you help me to learn more?

(Another definition for lifespan that I've seen is " This may be curtailed".)

I've seen this clue in The Daily Express.
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