σειστής
σειστής, earth-shaker
Alas! Could not find the search term σειστής.
Found the closest form σειστὸς. 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:
✓ masculine nominative singular of σειστός
No checked forms of σειστής in the morphology database.