ἐφιάλτιον No short definition found for ἐφιάλτιον Found ἐφιάλτιον with different capitalization. Morpho works with a static database. If you like, you can compare the output of Morpheus.No parse information found. Search for this form in Logeion: of ἐφιάλτιον Search the corpus for this form only: ἐφιάλτιον ↗ ἐφιάλτιον No checked forms of ἐφιάλτιον in the morphology database.