Crossword Genius

Type of diet you abandoned early, repeatedly! (2-2)

Ross

I believe the answer is:

yo-yo

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'type' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps you can see a link between them that I can't see?

I don't understand the remainder of the clue.

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(Other definitions for yo-yo that I've seen before include "Fluctuate repeatedly" , "Reel-and-string toy" , "Spinning toy" , "Toy that rises and falls" , "produces toy" .)

I've seen this clue in The Times.
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