Thereupon very shortly a hissing sound was heard and the machine became harder to turn as if the disk were moving through a resisting medium.
The Semitic name of the symbol is shin; the Greek name sigma may mean merely the hissing letter and may be a genuine Greek derivative from the verb o-4co, hiss.
Deidre drank it down, hissing at the burn of the harsh liquid.
Thus a West African native who wants a suhman takes a rudely-cut wooden image or a stone, a root of a plant, or some red earth placed in a pan, and then he calls on a spirit of Sasabonsum ("a genus of deities, every member of which possesses identical characteristics") to enter the object prepared, promising it offerings and worship. If a spirit consents to take up its residence in the object, a low hissing sound is heard, and the suhman is complete.