from The Century Dictionary.
- noun A mixture of gum shellac and emery or emery and clay, used for emery-wheels.
Sorry, no etymologies found.
Other varieties are likely to have been furnished by Armenia, which is rich in stones; and hence too was probably obtained the _shamir_, or emery-stone, by means of which the Assyrians were enabled to engrave all the other hard substances known to them.
The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria The History, Geography, And Antiquities Of Chaldaea, Assyria, Babylon, Media, Persia, Parthia, And Sassanian or New Persian Empire; With Maps and Illustrations.