Seeks food for a long time (7)

I believe the answer is:

forages

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'seeks food' is the definition.
I can't tell whether this defines the answer.

'for a long time' is the wordplay.
'a long time' becomes 'ages' (ages can mean a very long time).
'for'+'ages'='FORAGES'

Can you help me to learn more?

(Another definition for forages that I've seen is " Searches out food".)

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