τετραδεῖον
τετραδεῖον, a number of four, a quarternion
Alas! Could not find the search term τετραδεῖον.
Found the closest form τετραδάκτυλα. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
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Parsed as:
neuter accusative plural
neuter nominative plural
neuter vocative plural of
τετραδάκτυλος
No checked forms of τετραδεῖον in the morphology database.