προομόσαντος προόμνυμι, to swear before Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: aorist active participle masculine genitive singular aorist active participle neuter genitive singular of προόμνυμι προόμνυμι Aorist Active participle · Singular Masculine Nominative προυμόσας Genitive – Dative – Accusative – Vocative –