μαστηρίῳ μαστήριος, good at search Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: ✓ masculine dative singular feminine dative singular neuter dative singular of μαστήριος μαστήριος Singular Masculine Nominative – Genitive – Dative μαστηρίῳ Accusative – Vocative –