夏:禹治水有功,后舜让位给禹。因舜原为夏后氏部落首领,故国名“夏”。商:汤灭夏后,因为他们的始祖曾居住在商(今河南商丘),便以“商”为国名。周:周武王灭商,因周文王曾居于岐山下的周原,故以“周”为国名。秦:秦始皇的祖先是周考王的马夫,因养御马有功,被赐“嬴”姓,封地在甘 Summer: Yu flood water meritorious, Shun give way to Yu. Because Shun former Xia Hou’s tribal leaders, so the country name “Summer.” Business: Tang off summer, because their ancestors had lived in business (now Henan Shangqiu), then “business” as the country name. Week: King Wu destroy business, because Zhou Wen Wang Zizhou living in the original week, so “week” for the country name. Qin: Qin Shi Huang’s ancestor is the weekly test of the king’s groom, because raising horse active, was given “嬴” surname, sealed in the sweet