προσετέον
προσετέον, one must admit
Alas! Could not find the search term προσετέον.
Found the closest form προσετέθη. 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 προστίθημι
No checked forms of προσετέον in the morphology database.