badminton

The word 'badminton' originates from Badminton House, the Gloucestershire country estate of the Duke of Beaufort in England. In the mid-19th century, a version of the older game of battledore and shuttlecock was played there, and it became known as "the Badminton game." The name was thus borrowed directly from the location where the modern sport was popularized and codified, transitioning from a proper noun to a common noun. This process of a place name becoming the standard term for an activity or object associated with it is a common pattern in English vocabulary development.

This is a toponym, a word derived from a place name. It does not contain separable morphemes with independent meanings in the context of the modern word.