ἀρεταίνω

Alas! Could not find the search term ἀρεταίνω.
Found the closest form ἀρεταῖν. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.

Morpho works with a static database. If you like, you can compare the output of Morpheus.

Parsed as:

feminine genitive dual
feminine dative dual of ἀρετή