ὀνύχινος
ὀνύχινος, made of onyx
Alas! Could not find the search term ὀνύχινος.
Found the closest form ὄνυχι. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
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Parsed as:
✓ masculine dative singular of ὄνυξ
No checked forms of ὀνύχινος in the morphology database.