Noun
United States linguist who studied the historical relations among 5,000 languages (1916-2001)
Source: WordNetHowever, Christopher Ehret (1979), Harold Fleming (1981), and Joseph Greenberg (1981) all agree that the Omotic branch split from the rest first. Source: Internet
Joseph Greenberg took Westermann's work as a starting-point for his own classification. Source: Internet
In the second half of the 20th century, Joseph Greenberg produced a series of large-scale classifications of the world's languages. Source: Internet
It was propounded by Joseph Greenberg in 2000–2002. Source: Internet
It was replaced by those of Joseph Greenberg in 1955 and in 1963. Source: Internet
Much of the classification of African languages associated with Joseph Greenberg actually derives from the work of Westermann. Source: Internet