Mo•bile (mō′bəl for adj; mō′bēl′ for noun) [me mobyll < l mobilis, to move; 1480–90] 1 adj. easy to move; movable: several mobile homes were damaged by the strong winds. 2 n. a decoration made from pieces of metal, paper, etc., suspended on threads or wires and balanced to move in a slight breeze

why are two different parts of speech listed for this entry?

a.
one definition of the word comes from middle english (me) and a different definition comes from latin (l).

b.
there are two definitions listed under the entry, so each definition has its own part of speech.

c.
one form of the word means “easy to move” and the other form means “movable.”

d.
although both definitions come from the idea of movement, the word has two distinctly different uses.