διάπτυσις

Alas! Could not find the search term διάπτυσις.
Found the closest form διαπτύσαι. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.

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Parsed as:

aorist active infinitive (morph21)
aorist active optative 3rd singular (morph21) of διαπτύω