Θήσειον

Alas! Could not find the search term Θήσειον.
Found the closest form Θησεῖον. 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 neuter nominative singular
Proper-name noun neuter vocative singular
✓ Proper-name noun neuter accusative singular of Θησεῖον