1. Pure, commonly used Chinese character (Grade 1), is pronounced chún in pinyin, and was first seen in Warring States script. Its original meaning denoted silk, and was later extended to mean big, also meaning pure, pure.
2. Pure is a form of the Chinese character 純. From iti, tun. In the Warring States period, the word "pure" was either derived from "束" (束) or "tun", or from "市" (市) or "屯". The characters "糸", "束", and "市"("shi"), are all in common. "糸" (糸) is pronounced as sī, one of the twenty-four radicals in the Shuowen - Shibi (说文-糸部): "糸, fine silk. It resembles the shape of a bundle of silk." The original meaning is fine silk.