Νυσήϊος No short definition found for Νυσήϊος 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 Νυσήϊος Νυσήϊος Singular Masculine Nominative – Genitive – Dative – Accusative Νυσήϊον Vocative –