Mong 
(mông) also Mong Leng (mông lĕng)
(mông) also Mong Leng (mông lĕng)n. pl. Mong or Mongs also Mong Leng or Mong Lengs
1.
a. A member of one of the largest subgroups of the Hmong. Many Mong of Laos emigrated to the United States after the Vietnam War.
b. A person of Mong ancestry.
2. The dialect of Hmong spoken by the Mong. In all senses also called Green Hmong.
[Mong Moob (with oo spelling nasalized o and final b indicating high level tone ).]