Where does “Porphyra” come from?

Porphyra (Translingual) comes from Ancient Greek πορφύρα, from Ancient Greek πορφύρω, from Proto-Indo-European bʰrewh₁-, from Proto-Indo-European bʰer- — to bear, carry.

Porphyra (Translingual): genus

Definitions

genus

Ancestry of “Porphyra”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	πορφύρα	purple-fish; a purple dye obtained from it;...
2	Ancient Greek	πορφύρω	to surge up; to redden
3	Proto-Indo-European	bʰrewh₁-	to boil; to brew
4	Proto-Indo-European	bʰer-	to bear, carry

Every word from Proto-Indo-European bʰer- →Every word from Proto-Indo-European bʰrewh₁- →Every word from Ancient Greek πορφύρα →