Complex sentence: The cummerbund is an Asian-origin garment which was first adopted by British military officers in colonial India when they were exposed to Indian men wearing it, as an alternative to a waistcoat, and later spread to civilian use.
Split into simpler sentences: The cummerbund is an Asian-origin garment which was first adopted by British military officers in colonial India when they were exposed to Indian men wearing it. It was adopted as an alternative to a waistcoat, and later spread to civilian use.