ἄστριον
ἄστριον, architectural ornament
Alas! Could not find the search term ἄστριον.
Found the closest form ἀστρικὴν. 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 ἀστρικός
No checked forms of ἄστριον in the morphology database.