from The Century Dictionary and Cyclopedia
- n. Either of two shrubs or small trees of the dogbane family, Acokanthera Ouabaio and A. Schimperi, the juice of which is used, by certain African tribes, to poison arrows.
- n. An arrow-poison used by the Somalis and prepared from the root and wood of various species of Acokanthera. It contains ouabain. Also wabaio.
Sorry, no etymologies found.