What is the most plausible origin for the name of the Spinning Jenny?

Answer

It was derived from a common slang term for an engine

While historical folklore often links the machine's name to the daughter or wife of James Hargreaves, linguistically, the name is most likely derived from a prevalent slang term used for an engine during that time period. This origin reflects the mechanical intent of the invention, signaling its role as a machine designed to automate and accelerate production processes.

What is the most plausible origin for the name of the Spinning Jenny?
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