Περσείων No short definition found for Περσεῖος Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: proper-name adjective feminine genitive plural (cp Περσεύς) ✓ proper-name adjective masculine genitive plural (cp Περσεύς) proper-name adjective neuter genitive plural (cp Περσεύς) of Περσεῖος Περσεῖος Plural Masculine Nominative – Genitive Περσείων Dative – Accusative – Vocative –