Kun also means later in time or order, especially offspring. The "Kun" of Kunlun Mountain (located at the junction of China Xinjiang Uygur Autonomous Region, Xizang Autonomous Region and Qinghai Province) was also called "Kun" in ancient times. The first variant list eliminated the variants of _ and Kun Wei Kun.
Some scholars believe that "Kun" is differentiated from "Duo". The ancient characters "zhong" and "Kun" are all like people working in the sun. The upper part of the "crowd" in Oracle Bone Inscriptions is the "sun", that is, a hanging scorching sun, and the lower part is three people. Many people work in the scorching sun.
There are only two people in the world, which is also the predecessor of the word "Kun". It means that they work side by side in the sun and are very close. Later, the two men wrote Bi. In ancient times, people who worked together and had close relationships were mostly brothers. Thus, "Kun" is extended to "brother".
Japanese Department of Shuowen Jiezi: "Kun," Tong is not the original meaning of Kun, but the extended meaning of Kun. The original meaning of "Kun" is that two people work together in the sun, so it is extended to mean "together" or "together".
Because "Kun" means two people working together and two people are numerous, so "Kun" is extended to mean "numerous, numerous". "Dai February": "Kun, worm, arrive _ (note: arrive _, meaning crowded). There are many Kun people. " This means that "Kun" means "numerous". The so-called "insect" means many insects.