ἠῴοισιν ἠῷος, at morn, at break of day Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: masculine dative plural neuter dative plural of ἠῷος ἠῷος Singular Masculine Nominative ἠώιος, ἠῷος Genitive – Dative – Accusative – Vocative –