the.com/chain gang

means A group of prisoners made to work outdoors chained together at the ankles, typically on roads, fields, or other labor.

from Straightforward compound of 'chain' and 'gang' (a team of workers), first recorded in American English in the late 19th century, describing a real penal labor practice — especially in the post-Civil War South, where convict leasing and chain gangs became a notorious way to extract forced labor from prisoners, disproportionately Black men swept up by discriminatory laws. The phrase later traveled into music and pop culture (work songs, Sam Cooke's 'Chain Gang') as a haunting echo of that history.