Part of speech: Noun
a specialized division of a large organization
Example: you'll find it in the hardware department; she got a job in the historical section of the Treasury
Categories: Division
Part of speech: Noun
the territorial and administrative division of some countries (such as France)
Categories: Administrative district, Administrative division, Territorial division
Part of speech: Noun
a specialized sphere of knowledge
Example: baking is not my department; his work established a new department of literature
Categories: Sector, Sphere
The word "department" was borrowed from French département.
Anglo-Norman French was a unique dialect that developed in England after the Norman invasion.