/ ˈepɪlɒg; NAmE -lɔːg; -lɑːg/ noun
a speech, etc. at the end of a play, book, or film / movie that comments on or acts as a conclusion to what has happened
—compare prologue
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WORD ORIGIN
late Middle English : from French épilogue , via Latin from Greek epilogos , from epi in addition + logos speech.