διετηρίς
διετηρίς, space of two years
Alas! Could not find the search term διετηρίς.
Found the closest form διετηρήθη. 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:
aorist passive indicative 3rd singular of διατηρέω
No checked forms of διετηρίς in the morphology database.