I'm doing Lexember this month. The idea is to make (or learn) a new word every day. This can be for a conlang or a natural language. December 25 Xanthol -- an oily yellow dye that is super-colorfast on silk, wool, cotton, and other natural fibers. It resists superpowers that change colors. This is retro-engineered tech based on original exudate from a person with the Ooze superpower. xantho- a combining form meaning “yellow,” used in the formation of compound words:xanthophyll. -ol suffix CHEMISTRY 1. 1. forming names of organic compounds denoting alcohols and phenols. "glycerol" 2. 2. forming names of organic compounds denoting oils and oil-derived compounds. "benzol" -- Definitions from Oxford Languages [Polychrome Heroics vocabulary]