It was in this way, in the case of Sanskrit and Greek, that the hypothesis of Coeurdoux, who believed in traces of the primitive language, and that of Anquetil, who posited a mixture at the time of the Bactrian kingdom, were abandoned; and Bopp was also able to refute Schlegel, for whom the Indian language was the most ancient, and the others (Latin, Greek, Germanic and Persian languages) were more modern and derived from the first.