κητείοισιν κήτειος, of sea monsters Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: masculine dative plural (morph21) neuter dative plural (morph21) of κήτειος κήτειος Singular Feminine Nominative κητείη Genitive κητείης Dative – Accusative – Vocative –