Khitan language

Classification and features

Linguists have long debated where Khitan belongs among the language families of Eurasia. Many specialists view it as closely related to the Mongolic languages or as a member of a broader "Para-Mongolic" group—languages that share common ancestry with Mongolic but are not direct ancestors of modern Mongolian. Structural features reconstructed from transcriptions and comparisons suggest an agglutinative morphology, likely subject–object–verb order, and typological affinities with neighboring Mongolic and Turkic languages, though precise phonology and grammar remain uncertain.

Writing systems and sources

Khitan employed two distinct scripts developed in the Liao period. Scholars distinguish them as the "large" script and the "small" script; they differ in form and possibly in function or register. Both scripts are only partially deciphered.

• Large script: largely logographic with some phonetic elements, used on monuments and stelae.
• Small script: more cursive and possibly syllabic or mixed, found in administrative records and epitaphs.

Surviving materials consist of stone inscriptions, funerary epitaphs, a few manuscript fragments, and Chinese transcriptions or glosses that preserve Khitan names and terms. These remain the primary evidence for reconstruction and interpretation.

Historical importance and legacy

As the language of an imperial state, Khitan was central to administration, law, and high culture in the Liao polity. After the fall of the Liao, Khitan political and linguistic identity was gradually absorbed by succeeding peoples such as the Jurchen and Mongols, and the language faded from daily use. Although no unbroken modern descendant survives, Khitan left loanwords and onomastic traces in neighboring languages and remains a key object of study for historians and historical linguists.

Research and resources

Contemporary research relies on epigraphic analysis, comparison with Mongolic and other regional languages, and painstaking cross-referencing with Chinese historical records. For introductions to the people and broader context see studies of the Khitan people, and for comparative linguistic background see work on Mongolic languages. The field is active: new finds and improved methods continue to refine our picture of Khitan language and script.