προεθιστέον
προεθιστέον, one must train beforehand
Alas! Could not find the search term προεθιστέον.
Found the closest form προεθιζόμενος. 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 middle-passive participle masculine nominative singular (morph21) of προεθίζω
No checked forms of προεθιστέον in the morphology database.