Where does “προσφορά” come from?

προσφορά (Greek) comes from Ancient Greek προσφορά, from Ancient Greek προσφέρω, from Ancient Greek φέρω, from Proto-Hellenic pʰérō, from Proto-Indo-European bʰéreti, from Proto-Indo-European bʰēr- — shiny, light brown.

προσφορά (Greek): offer, offering; proposal, tender; contribution