ἰθυντῆρος ἰθυντήρ, a guide, pilot Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: masculine genitive singular (morph21) of ἰθυντήρ Search the corpus for this form only: ἰθυντῆρος ἰθυντήρ Masculine SingularDualPlural Nominative ἰθυντὴρ – – Genitive – – – Dative ἰθυντῆρι – – Accusative – – – Vocative – – –