Origin of Sahelanthropus tchadensis1 First recorded in 2000–05; from New Latin Sahelanthrōpus, literally, “Sahel man,” from Arabic sāḥil “coast, shore” + Greek ánthrōpos “human being, man” + tchadensis , literally, “of or pertaining to Chad,” in north central Africa.Word...
The Sahel (Arabic for ‘shore’) is a transition zone between the arid Sahara in the north and the (sub-) humid tropical savannas in the south, and is marked by a steep north–south gradient in mean annual rainfall (Le Houerou, 1980). The rainfall gradient is expressed on the ground ...
Hausa has long been written using a modified Arabic alphabet called ajami. Since about 1912, Hausa has also been written in a standardized orthography called boko, originally meaning “sham” or “deceit,” that is based on the Latin alphabet (with the addition of modified letters that represent...