Etymology- Rescue

The english definition of the word rescue means to save someone from a dangerous or difficult situation. Like a lifegaurd rescuing a drowning victim from a pool. However, The Indo-European root kwet meant “to shake.” The word came from the root excues meaning shake off or get rid of. Thus rescue literally means “shake off again” or “get rid of again.” By the time the Latin word made it into English through French in the 14^th century it had already expanded to include most of the meanings we now recognize.