In medieval times, a mixture of Japanese and Chinese writing, which became the basis of today's written Japanese language, was established, giving Japanese flexible powers of expression with its mix of kango (words of Chinese origin) and Wago (words of Japanese origin).
中世には現在の日本語の書き言葉の原型となる和漢混淆文が成立し、日本語は漢語と和語を織り交ぜた自在な表現力を得た。