Ἀχελωίς

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

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Parsed as:

✓ Proper-name noun feminine nominative plural
Proper-name noun feminine vocative plural of Ἀχελωΐδες