πούστακος

Alas! Could not find the search term πούστακος.
Found the closest form ποὔστʼ. 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:

✓ present active indicative 3rd singular (cp που) (πού ἐστι) of εἰμί