Crossword Genius

At last a friend gets a portion of fish! (7)

Ross

I believe the answer is:

finally

I'm a little stuck... Click here to teach me more about this clue!

'at last' is the definition.
(synonyms)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for finally that I've seen before include "At last" , "for ever" , "when all is said and done" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app