What is another word for archil?
Pronunciation: [ˌɑːt͡ʃˈɪl] (IPA) 
Archil, also known as orchil, is a type of natural dye that produces shades of purple and violet. There are several synonyms used for this term, including cudbear and litmus. Cudbear is a powder made from archil lichens that produces a reddish-purple color and was traditionally used in wool dyeing. Litmus, on the other hand, is a water-soluble pigment created from archil that is used as a pH indicator. Other synonyms for archil include orseille, ammoniacal extract of cudbear, and lakes of litmus. These synonyms may be used interchangeably in different contexts depending on their specific application or use.
