"Grue" referenced in the article as a colour encompasing green and blue reminded me of a Radiolab Episode [1] on the order in which words are established for co

"Grue" referenced in the article as a colour encompasing green and blue reminded me of a Radiolab Episode [1] on the order in which words are established for colours; Across all cultures words for colors appear in stages - Blue being the last colour to be named. [1] http://www.radiolab.org/story/211213-sky-isnt-blue/ http://www.radiolab.org/story/211213-sky-isnt-blue/