Where does “просфора” come from?

просфора (Russian) 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.

просфора (Russian): prosphora

Definitions

prosphora

Ancestry of “просфора”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	προσφορά	offering
2	Ancient Greek	προσφέρω	to bring, present, offer
3	Ancient Greek	φέρω	I bring, bear, carry
4	Proto-Hellenic	pʰérō	to bear
5	Proto-Indo-European	bʰéreti	to be carrying
6	Proto-Indo-European	bʰēr-	shiny, light brown

Every word from Proto-Indo-European bʰēr- →Every word from Proto-Indo-European bʰéreti →Every word from Proto-Hellenic pʰérō →