βαρυσιδήρους
βαρυσίδηρος, heavy with iron
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
feminine accusative plural (newmorph18)
masculine accusative plural (newmorph18) of
βαρυσίδηρος
No checked forms of βαρυσίδηρος in the morphology database.