Where does “épico” come from?

épico (Galician) 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.

épico (Galician): epic, pertaining to heroes and legends; epic