ἰστέος

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

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Parsed as:

masculine accusative singular (cp ἰστέον)
neuter nominative singular (cp ἰστέον)
neuter vocative singular (cp ἰστέον)
✓ neuter accusative singular (cp ἰστέον) of οἶδα