ῥύμαρχος
ῥύμαρχος, magister vici
Alas! Could not find the search term ῥύμαρχος.
Found the closest form ῥύμαι. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
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Parsed as:
✓ feminine nominative plural (morph21) of ῥύμη
No checked forms of ῥύμαρχος in the morphology database.