Unish is a constructed language developed by a research team at Sejong University, Korea. The term “Unish” is used in reference to it being cast as a universal language in the globalized era.The vocabulary of Unish is chosen from among 15 languages: Esperanto and 14 major languages that have 70 million or more native speakers or which were international languages in the past. Decisions are based on the three principles of commonality, short-word length, and simplicity.