the.com/breakdown

When a thing stops working, or you do, and both feel oddly similar.

means A collapse — of a machine, a system, or a person — into component parts or nonfunction, and also the act of taking something apart piece by piece to understand it.

from Straightforward English compound, break + down, dating to the 1800s, when it first described mechanical failure — an engine or a system literally breaking down into pieces or uselessness. The sense expanded to statistics and processes (a 'breakdown of costs') and, by the later 1800s, to human nervous collapse — the mind borrowing the machine's vocabulary for its own failures.

nervous breakdown
not a real clinical diagnosis, just common usage
dance meaning
breakdancing's break is the instrumental drum solo
financial sense
itemizing costs, the opposite of collapsing
first recorded use
1832, describing failed machinery, not feelings
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