Drawing on extensive field data, this groundbreaking work explores the development of the sound systems of Central Chadic languages.

Of all of the African language families, the Chadic languages belonging to the Afroasiatic macro-family are highly internally diverse due to a long history and

Due to a long history of contact, the Chadic languages are the internally most diverse of the Afroasiatic language families, especially in terms of their sound

Despite earlier work by Trubetzkoy, Jakobson and Greenberg, phonological typology is often underrepresented in typology textbooks. At the same time, most phonol