Why deviant ether...

e·ther

1. 
   Any of a class of organic compounds in which two hydrocarbon groups are linked by an oxygen atom.
2. 
   A volatile, highly flammable liquid, C2H5OC2H5, derived from the distillation of ethyl alcohol with sulfuric acid and used as a reagent and solvent. It was formerly used as an anesthetic. Also called diethyl ether, ethyl ether.
3. 
   The regions of space beyond the earth's atmosphere; the heavens.
4. 
   The element believed in ancient and medieval civilizations to fill all space above the sphere of the moon and to compose the stars and planets.
5. 
   Physics. An all-pervading, infinitely elastic, massless medium formerly postulated as the medium of propagation of electromagnetic waves.