A lot vs. Alot: 9 Grammatical Pitfalls
postmortem post·mor·tem (pōst-môr'təm)
Relating to or occurring during the period after death. n.
Autopsy; figuratively, any analysis that follows an event: “When the convention is over, we'll have a postmortem to find ways of improving it for next year.” From Latin, meaning “after death.”