New
Translation of the classic into Jejueo, a Korean language spoken on Jeju Island off the south coast of South Korea. In 2010, there were still 5,000 speakers, but even then it was classified by UNESCO as “endangered,” which is the highest level of language endangerment.
More about the language
Presumably an isolated language with over 75 million speakers. Since the 15th century it has used Hangul, a highly logical, artificially created alphabet in which letters imitate the shape of articulation organs (such as tongue and palate).