Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. language-related concepts
5. [languages and writing systems]
6. [languages and writing systems by specific type]
7. Indo-European (language family)

Anotations

Scope note:

Now extinct languages that were spoken in the Tarim Basin (in present-day northwestern China) during the 1st millennium CE. Two distinct languages are known, labeled A (East Tocharian, or Turfanian) and B (West Tocharian, or Kuchean).