ὀπεύς

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

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Parsed as:

✓ relative pronoun neuter nominative singular
relative pronoun neuter vocative singular
✓ relative pronoun neuter accusative singular of ὅς