Where does “bacento” come from?

bacento (Galician) comes from Galician bazo, from Old Portuguese baço, from Latin hepatium, from Ancient Greek ἡπάτιον, from Ancient Greek ἧπαρ, from Proto-Hellenic eyékʷər, from Proto-Indo-European Hyékʷr̥ — liver.

bacento (Galician): phlegmatic