In the 18th century the Wagogo were mostly pioneer colonists from Unyamwesi and Uhehe, and are often confused with the Sandawe and the Kaguru.
:The rock-strewn land of Usandawe...is inhabited by a still thoroughly warlike, predatory, and unexplored mountain people whose members do not recognize German rule, live far apart and tolerate no headmen or superiors, and have hereto rid themselves in drastic fashion of those experimentally installed by the station.
Sandawe |
Dahalo is one of very few outside southern Africa to have phonemic clicks (the others being Sandawe and Hadza in East Africa and Damin, a mutually unintelligible register of Lardil, spoken mainly on Mornington Island in Australia).
In 1912, Carl Meinhof published Die Sprachen der Hamiten (The Languages of the Hamites) in which he expanded Lepsius's model, adding the Fula, Maasai, Bari, Nandi, Sandawe and Hadza languages to the Hamitic group.
Tom Güldemann believes agro-pastoralist people speaking the Khoe–Kwadi proto-language entered modern-day Botswana about 2000 years ago from the northeast (that is, in the direction of the modern Sandawe), where they had likely acquired agriculture from the expanding Bantu, at a time when the Kalahari was more amenable to agriculture.