2. Xin (pinyin: xρn) is a kind of character in the General Specification of Chinese. It first appeared in seal script. At first, it meant joy, joy, and later it was extended to love and then to admiration.

3. Evolution of etymology: pictophonetic characters. Said: "Xin, laugh and be happy." Never, Jinsheng. "Xin, Xin, V, Xin should be a word difference, cognate words, with joy. The form of Xin characters was first seen in the ancient Chinese characters in the Warring States (Qin) period, and its usage was also found in the documents of the Warring States period. Textual research on the ancient story of Shen Tao's Shi Ji Shi Wan Jun Biography Also Resentment. Jin Zhaori: Xu Shenyun's words are also ancient. It is the word "heavy text" in the ancient version, but it has been taken away in this version, not the word of the phonetic department. " Gui said: "This book: Listen and laugh (appearance); V, hi. Interpretation: happy, happy, or embarrassed. "On Classics by Yu Yue in Qing Dynasty": "If you steal the doubtful classics and draw them, the word letter should be changed. The male corpse came to stop Yan Yan and said that the male corpse was very happy. The purpose is to smoke alcohol, which is an excuse for smoking. ..... The purpose is to smoke and smoke, and the words are also fragrant. "If the word" Xin "here really means joy, it means that there was the word" Xin "in the Western Zhou Dynasty, but the word" Xin "may not have been produced.