τρίηρον

Alas! Could not find the search term τρίηρον.
Found the closest form τριήροιν. 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 τριήρης