post-mortem
Pronunciation: /pəʊs(t)ˈmɔːtəm/
noun
- (also post-mortem examination) an examination of a dead body to determine the cause of death: the hospital will want to carry out a post-mortem
- an analysis or discussion of an event held soon after it has occurred, especially in order to determine why it was a failure: an election post-mortem on why the party lost
adjective

Origin:
mid 18th century: from Latin, literally 'after death'