the.com/coveralls

One garment, zero gaps — because pockets of exposed shirt are how you ruin a shirt.

means A one-piece protective suit that covers your regular clothes from shoulders to ankles, worn for dirty or messy work.

from A straightforward compound of 'cover' plus 'all' — it does exactly what it says, covering you entirely. The word emerged in the industrial era (American English, early 1900s) alongside the rise of factory and mechanical work, when laborers needed a single garment to protect their clothes from grease, paint, and grime rather than relying on separate aprons or smocks.

origin
popularized by early 1900s railroad and factory workers
design logic
one piece prevents grease reaching skin or undergarments
also called
boilersuit in British English
bonus use
crime scene cleanup suits are just fancy coveralls
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