Of or relating to ventriloquism; characteristic of an engastrimyth or the practice of throwing one's voice.
From 'engastrimyth' plus the adjectival suffix '-ic'. This follows Greek word-formation patterns where '-mythic' relates to speech or utterance.
This is the kind of word that exists mostly in crossword puzzles and Scrabble dictionaries now—a beautiful Greek construction that sounds more like something a wizard would practice than a simple magic trick!
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