autopsy

ot noun

1. A dissection performed on a cadaver to find possible cause(s) of death.
2. An after-the-fact examination, especially of the causes of a failure.
3. (rare) An eyewitness observation, the presentation of an event as witnessed.

fe’l verb

1. To perform an autopsy on.
2. To perform an after-the-fact analysis of, especially of a failure.