μαριεύς
μαριεύς, a stone that takes fire when water is poured on it
Alas! Could not find the search term μαριεύς.
Found the closest form μαριλοκαυτῶν. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
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Parsed as:
✓ masculine genitive plural of μαριλοκαύτης
No checked forms of μαριεύς in the morphology database.