a hypothetical phylum or superfamily of languages consisting of Mon-Khmer and certain other languages of India and South-East Asia. Links with Malayo-Polynesian have also been suggested
Austro-Asiatic in American English
(ˌɔstroʊˌeɪʒiˈætɪk)
noun
1.
a family of languages scattered widely throughout S Asia, including Mon, Khmer, Vietnamese, and the Munda languages of NE India