Final answer:
The study by Berlin and Kay demonstrated that color terms in languages evolve in a specific order, indicating a pattern of linguistic universals in color terminology.
Step-by-step explanation:
Berlin and Kay's cross-linguistic study of color terminology revealed that basic color terms tended to evolve in a particular order. This universal pattern starts with the distinction between black and white, with red being the next important color term to emerge. As languages evolve, they tend to add green and yellow, followed by blue, then brown, and subsequently, additional colors like purple, pink, orange, or gray. This research has significant implications for our understanding of linguistic universals and the relationship between language development and human perception.