Under strain during last autumn (4)

I believe the answer is:

taut

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'under strain during last autumn' is the definition.
I can't judge whether this defines the answer.

'during last autumn' is the wordplay.
'during' indicates a hidden word.
'TAUT' can be found hidden inside 'last autumn'.

Can you help me to learn more?

(Other definitions for taut that I've seen before include "Pulled or drawn tight" , "seaworthy" , "Without slack" , "Stretched, pulled tight" , "On the slope" .)

I've seen this clue in the Evening Standard.

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