According to scholars of linguistics, the relation between a word and its meaning is arbitrary.
Roy Blount, Jr.When money gets too far away from actual, physical, real equity and property it gets too abstract and too distantly derived and then suddenly it's not worth anything anymore. And the same is true of language.
Roy Blount, Jr.A dog will make eye contact. A cat will, too, but a cat's eyes don't even look entirely warm-blooded to me, whereas a dog's eyes look human except less guarded. A dog will look at you as if to say, "What do you want me to do for you? I'll do anything for you." Whether a dog can in fact, do anything for you if you don't have sheep (I never have) is another matter. The dog is willing.
Roy Blount, Jr.