Where does “esófago” come from?

esófago (Galician) comes from Medieval Latin oesophagus, from Ancient Greek οἰσοφάγος, from Ancient Greek οἰσέμεν, from Ancient Greek φέρω, from Proto-Hellenic pʰérō, from Proto-Indo-European bʰéreti, from Proto-Indo-European bʰēr- — shiny, light brown.

esófago (Galician): oesophagus