He ground fast: but much has still to be explained. There is techne, for instance. This, by an aphaeresis of tau and an epenthesis of omicron in two places, may be identified with echonoe, and signifies 'that which has mind.' 'A very poor etymology.' Yes; but you must remember that all language is in process of change; letters are taken in and put out for the sake of euphony, and time is also a great alterer of words. For example, what business has the letter rho in the word katoptron, or the letter sigma in the word sphigx? The additions are often such that it is impossible to make out the original w