ἀρκάδιον No short definition found for ἀρκάδιον Found ἀρκάδιον with different capitalization. Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: ✓ Proper-name noun masculine dative singular (cp Ἀρκαδία) of Ἀρκάς ἀρκάδιον No checked forms of ἀρκάδιον in the morphology database.