Proto-CChadic: *ŝaḍ- (<*ṣ̂ad-)
Meaning: 'hand' 1, 'measure of length equal to the distance between streched arms' 2 , 'lower arm' 3
Mada: Mada ŝáḍ 2 [BaMad]
Logone: ŝade 1 [Mo], ŝaḍǝ 3
Gulfey: x̂ede 1 [Lk]
Kusseri: sédē 1 [Lk:145]
Notes: From *HVĉ̣ad-, with a shift of emphatization.