ἀθλοσύνη

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

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Parsed as:

✓ masculine nominative plural
masculine vocative plural
masculine dative singular (adscript) of ἀθλοθέτης