ὑποπόρευσις
ὑποπόρευσις, underground way
Alas! Could not find the search term ὑποπόρευσις.
Found the closest form ὑπόπορτις. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
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Parsed as:
✓ feminine nominative singular of ὑπόπορτις
No checked forms of ὑποπόρευσις in the morphology database.