purpurine
/pɜːrpʊˈriːn/Definitions
1. noun
A purplish-red pigment or dye
“The ancient civilization used purpurine to dye their fabrics.”
2. noun
A type of purple-red shellfish, the murex snail, whose secretion was used to produce the pigment
“The ancient Greeks prized the purpurine for its vibrant color and rarity.”