1, the basic definition: mutual, heaven and earth or yin and yang are two paradigms. Therefore, the exchange of yin and yang between heaven and earth is five, and the transaction between heaven and earth is mutual. The transaction between heaven and earth is a mutual paradigm. The original meaning is moved by induction, such as the interaction in vocabulary, and all the mutual meanings come from induction and movement. Shuo Wen Jie Zi? Those who can take the rope can also take it from bamboo pictograms. Elephants in China are pushed and held by human hands. Mutual? Or save. Or think that the original meaning of mutual refers to the tool of twisting rope, which is extended to interleaving. Although it was said by Xi Yan Shu, it is also a family statement, and Yan Yi is also used as a surname.
2. Tracing back to the source: Ideographic characters are tools for twisting ropes, and the tools used in the original meaning of ropes are the same as those used in the original meaning of Duan Yucai. Starting from bamboo, hieroglyphics called its object I-shape, while China elephants were pushed and held by human hands. Every mistake has its own advantages and disadvantages. Lu spoke "Preface to Cutting Rhyme". In ancient times, barter was reciprocal, mutual insurance and mutual training were synonymous with each other, and two or more shops had to guarantee each other.
3. Ancient books: "Guang Yun" mistakenly cut "rhyme" and "Zheng Yun" with poor pronunciation. "Zhou Li Tianguan" interacted with each other and participated in cross-examination and became "You". "Note" turtles, turtles, slugs, clams, and armor? So is sex. "Notes" check and balance each other, if this is a meat case in Tujia County. There is also the "Zhou Li Qiu Guan" Lu Ye family, where the roads are full of boats and cars, and Syria and do this.