ὑστήρια
ὑστήρια, a festival
Alas! Could not find the search term ὑστήρια.
Found the closest form ὑστάταις. 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 dative plural superlative of ὕστερος
No checked forms of ὑστήρια in the morphology database.