Sino-Tibetan Etymological Dictionary and Thesaurus

The Sino-Tibetan Etymological Dictionary and Thesaurus (commonly abbreviated STEDT) was a linguistics research project hosted at the University of California at Berkeley. The project, which focused on Sino-Tibetan historical linguistics, started in 1987 and lasted until 2015.

Source: Wikipedia — Sino-Tibetan Etymological Dictionary and Thesaurus (CC BY-SA 4.0)