What is another word for roccella?
Pronunciation: [ɹəksˈɛlə] (IPA) 
Roccella, also known as orchil or litmus, is a natural dye extracted from species of lichen. The name roccealla is derived from the Arabic word "ruqaylah," which means a small rock, referring to the lichen's appearance. Synonyms for rocchella include various species of lichens such as Roccella tinctorum, Roccella fuciformis, and Roccella canariensis. These lichens are used to produce red, purple, and blue dyes and have been used for centuries by civilizations such as the Phoenicians and Egyptians. Other synonyms for rocchella include archil, cudbear, and litmusa. These natural dyes have been replaced by synthetic dyes in modern times, but the use of rocchella dyes is still prevalent in traditional textile industries.
