alt Hacker NewsAgreed with the intent, but it's more narrow than that. Habeas corpus specifically means "there is a body." It's purpose is to set a high bar for homicide convictions i.e. a body must be present before a suspect can be convicted of murder/manslaughter by a court of law.
Habeas corpus is an order to bring a body before a court. The body being a live one, the detainee. Thus proving that the detainee hasn't been exiled/tortured/murdered/whatever and providing an opportunity to challenge the detention.