Crossword Genius

… and little Edward eating roll expressed gratitude (7)

Ross

I believe the answer is:

thanked

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'expressed gratitude' is the definition.
(expressed thanks)

I don't understand the remainder of the clue.

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(Other definitions for thanked that I've seen before include "shown gratitude" , "Expressed gratitude" , "Acknowledged" .)

I've seen this clue in The Guardian.
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