What was the original purpose of a cummerbund?

The original purpose of a cummerbund was to serve as a formal waist sash for men, primarily worn with evening wear like a tuxedo. It was designed to cover the waistband of trousers, providing a polished and elegant appearance. Additionally, it was historically used to hold items like tickets or money, reflecting its practical function alongside its aesthetic purpose. Over time, it has become a style statement in formal attire.