夏商周 Traditional form: 夏商周 Pinyin (reading): Xià Shāngzhōu Definitions: Xia, Shang and Zhou, the earliest named Chinese dynasties Characters: 夏 - summer; the Xia or Hsia dynasty 商 - commerce, business, trade 周 - Zhou dynasty; circumference Traditional characters: 夏 - summer; the Xia or Hsia dynasty 商 - commerce, business, trade 周 - Zhou dynasty; circumference