Crossword Genius

Succumb to overwork, as analysts do (9)

Ross

I believe the answer is:

breakdown

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'do' is the definition.
The answer and definition can be both related to natural events as well as being singular nouns.
Perhaps there's an association between them I don't understand?

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for breakdown that I've seen before include "Mechanical failure" , "Detailed analysis" , "Analysis < of separation" , "Problem with car" , "psychological crisis" .)

I've seen this clue in The Irish News.
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