In this life we take many things for granted because we do them without thinking. Talking, for instance, is something no one talks about because we take it for granted. Talk to a philologist, however, and he may tell you that it’s a species of magic hard to define as the words we use are themselves magical entities, protean in nature, hard to pin down. At the end you are probably not a great deal wiser about either the nature or the origins of sounds that make a special sort of sense