Fetch back is a term used to describe the act of retrieving something that has been lost or taken away. It is an 8-letter word, spelled 'RETRIEVE'. The term is often used in the context of retrieving an item that has been stolen or taken away from its rightful owner. It can also be used to describe the act of bringing back something that has been forgotten or misplaced. In either case, the goal is to bring back the item to its original state.