“ Key is best known for his introduction of the crude-form (the uninflected form or stem of words) system, in general use among Sanskrit grammarians, into the teaching of the classical languages. This system was embodied in his Latin Grammar (1846) . In Language, its Origin and Development (1874) , he upholds the onomatopoeic theory. Key was prejudiced against the German “Sanskritists,” and the etymological portion of his Latin Dictionary, published in 1888, was severely criticized on this account. ”