Where does “epickość” come from?

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

epickość (Polish): the emotional style of epic poetry