διπλοία

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

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Parsed as:

present middle-passive indicative 2nd singular (cp διπλοίζω)
✓ present active indicative 3rd singular (cp διπλοίζω) of διπλασιάζω