post-mortem

Concise Oxford English Dictionary © 2008 Oxford University Press:
post-mortem/pəʊstˈmɔːtəm/

▶noun

• 1 an examination of a dead body to determine the cause of death.

• 2 an analysis of an event made after it has occurred.

▶adjective

• 1 relating to a post-mortem.

• 2 happening after death.

– origin C18: from L., lit. ‘after death’.