Where does “fèretre” come from?

fèretre (Catalan) comes from Latin ferētrum, from Ancient Greek φέρετρον, from Ancient Greek φέρω, from Proto-Hellenic pʰérō, from Proto-Indo-European bʰéreti, from Proto-Indo-European bʰēr- — shiny, light brown.

fèretre (Catalan): coffin

Definitions

coffin

Ancestry of “fèretre”, step by step

Step	Language	Word	Meaning
1	Latin	ferētrum	funereal litter
2	Ancient Greek	φέρετρον	bier; litter; frame
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 →