καλλίστερνος
καλλίστερνος, beautiful-breasted
Alas! Could not find the search term καλλίστερνος.
Found the closest form κάλλιστε. 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:
masculine vocative singular superlative of καλός
No checked forms of καλλίστερνος in the morphology database.