What is give up the ghost?

The phrase "give up the ghost" is an idiomatic expression meaning to die, to stop working, or to cease functioning. It is often used to describe the moment when someone dies or when a machine or a device stops working permanently. The expression has its origins in the Bible, where "giving up the ghost" is a translation of a phrase used to describe dying, as seen in passages such as Job 14:10 and Acts 12:23 in the King James Version. Over time, the phrase has been adopted into more general English usage, often applied metaphorically to various situations where something comes to an end or "breathes its last."