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 general type]
7. languages (established systems of communication)

Anotations

Scope note:

Languages characterized as no longer living, having gone extinct in recent times, namely in the last few centuries. Typically, extinct languages also have no descendent languages; the criteria for identifying distinct languages in these case are based on intelligibility (as defined for individual languages).