τεττιγόνιον
τεττιγόνιον, a small and voiceless kind of τέττιξ, a leaf-hopper or cicadelle
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Found the closest form τέττιγος. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
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Parsed as:
✓ masculine genitive singular of τέττιξ
No checked forms of τεττιγόνιον in the morphology database.