ἀκρόπτερον
ἀκρόπτερον, the tip of the wing
Alas! Could not find the search term ἀκρόπτερον.
Found the closest form ἀκρόπτολιν. 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 accusative singular of ἀκρόπολις
No checked forms of ἀκρόπτερον in the morphology database.