敦煌

Etymology
Likely from a historical language, with first known records in Chinese in the 2nd century ; likely cognate to the later 🇨🇬 – name of Dunhuang known to the Sogdians – attested in the "Sogdian Ancient Letters"  ; possibly related to the  in Greek (Ptolemy, , Book VI, chap. 16) and Bactrian sources.