Where does “epika” come from?

epika (Polish) comes from Latin epicus, from Ancient Greek ἐπικός, from Ancient Greek ἔπος, from Ancient Greek ϝέπος, from Proto-Hellenic wékʷos, from Proto-Indo-European wékʷos, from Proto-Indo-European wekʷ- — to speak, to sound out.

epika (Polish): epic poetry