Where does “πλατυπόρφυρος” come from?

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

πλατυπόρφυρος (Ancient Greek): with broad purple border

Definitions

with broad purple border

Ancestry of “πλατυπόρφυρος”, step by step

πλατυπόρφυρος traces back through two separate lines of ancestry.

via Ancient Greek πορφύρα

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

via Ancient Greek πλᾰτῠ́ς

Step	Language	Word	Meaning
1	Ancient Greek	πλᾰτῠ́ς	broad, wide

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