Classical Chinese

Classical Chinese is the language in which the classics of Chinese literature were written, from c. the 5th century BCE. For millennia thereafter, the written Chinese used in these works was imitated and iterated upon by scholars in a form now called Literary Chinese, which was used for almost all formal writing in China until the early 20th century. When writing, each Chinese character generally corresponds to a word in the language, with words almost always being one syllable in length. As a result, the characteristic style of the language is comparatively terse.

Starting in the 2nd century CE, use of Literary Chinese spread to the countries surrounding China, including Vietnam, Korea, Japan, and the Ryukyu Islands, where it represented the only known form of writing. Literary Chinese was adopted as the language of civil administration in these countries, creating what is known as the Sinosphere. Each additionally developed systems of readings and annotations that enabled non-Chinese speakers to interpret Literary Chinese texts in terms of the local vernacular.

While not static throughout its history, its evolution has traditionally been guided by a conservative impulse: many later changes in the varieties of Chinese are not reflected in the literary form. Due to millennia of this evolution, Literary Chinese is only partially intelligible when read or spoken aloud for someone only familiar with modern vernacular forms. Literary Chinese has largely been replaced by written vernacular Chinese among Chinese speakers; speakers of non-Chinese languages have similarly abandoned Literary Chinese in favour of their own local vernaculars. Although varieties of Chinese have diverged in various directions from the Old Chinese words in the Classical lexicon, many cognates can be still be found.