A statement, remark, or piece of writing that has the character or function of an epilogue.
From epilog + '-ism' suffix, a 19th-century literary term combining Greek 'logos' with the -ism suffix to name epilogue-like statements.
This word is basically literary critics trying to sound fancy—if you're tempted to use it, you're probably way overthinking your essay and should just say 'epilogue' instead!
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