Complex sentence: The word seitan is of Japanese origin and was coined in 1961 by George Ohsawa, a Japanese advocate of the macrobiotic diet, to refer to a wheat gluten product created by Ohsawa's student Kiyoshi Mokutani.
Split into simpler sentences: The word seitan is of Japanese origin and was coined in 1961 by George Ohsawa, a Japanese advocate of the macrobiotic diet. The name was given to a wheat gluten product created by Ohsawa's student Kiyoshi Mokutani.