What is the origin of the term modern Chinese nation?

The similarity of pronunciation is because the Chinese characters are originally Chinese, most of the Japanese characters have two kinds of pronunciation, one is called sound reading, that is, in accordance with the evolution of the previous Chinese pronunciation, the second is called training reading, that is, Japan's own creation, but since the modern era, China's popular or use of a lot of words are evolved from the Japanese language, such as cuisine and so on many, many, many, it can be said that China's language and culture are also y influenced by the Japanese. Japanese influence.