Khmer
noun
kə-ˈmer 
plural Khmer or Khmers
1
: a member of an aboriginal people of Cambodia
2
: the Mon-Khmer language of the Khmer people that is the official language of Cambodia
Khmer adjective
Word History
Etymology
northern or western dialect Khmer khmε:r, a self-designation (standard Khmer khmaε)
First Known Use
1881, in the meaning defined at sense 1