Before revision: Klein, Ernest, Dr., A comprehensive etymological dictionary of the English language: Dealing with the origin of words and their sense development thus illustrating the history and civilization of culture, Elsevier, Oxford, 7th ed., 2000.
After revision: Klein, Ernest, A comprehensive etymological dictionary of the English language: Dealing with the origin of words and their sense development thus illustrating the history and civilization of culture, Elsevier, Oxford, 7th ed., 2000.