the lithosphere or lithosphere, as each one want it to call, is the solid outer layer of the Earth, formed by the upper part of the mantle and crust.
The lithosphere or lithosphere, from the Greek area, and stone is the solid surface layer of the Earth, characterized by its rigidity.
solid layer of the Earth
it comes from the root LITO meaning Earth and FERA which means sphere therefore LITHOSPHERE mean Earth sphere...