'jimmy' originates from the English language, specifically as a diminutive form of the name 'James', where 'jimmy' was used colloquially to refer to a tool.

'jimmy' changed from a colloquial term for a person named James to a term for a burglar's tool in the 19th century.

Initially, it referred to a person named James, but over time it evolved into its current meaning of a burglar's tool.