Made into giblets (the edible organs of a bird); past tense of 'gibble' meaning to chop into small pieces.
From 'giblet' (entrails of fowl, from Old French 'gibelet'), with the '-ed' suffix creating an adjective or past-tense verb form.
The word 'gibbled' comes from the same root as 'giblets'—which restaurants serve you in gravy—and it reminds us that cooking terminology is basically medieval butchery language that survived in every kitchen!
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