It seems to also be part of the dialect used by the Kuki's, Kuki being an ethnic entity that spreads out in a contiguous region in Northeast India, Northwest Burma (Myanmar), and the Chittagong Hill tracts in Bangladesh.
Apparantly "Prior to the British annexation of their land (before the independence of Burma and India), the Kukis were said to be living in their country. However, today they are scattered in different parts of the world. In present day Burma, the Kukis predominantly occupy Upper Sagaing Division, particularly in the Kabaw Valley (Kangmang Phaicham). On the Indian side, the Kuki population spreads out to the states of Assam, Manipur, Nagaland and Tripura. The Chittagong Hill Tracts of Bangladesh also has a significant Kuki population".
There are numerous uses in the attached piece, trying to place it to a language to get a translation...
http://www.kukiforum.com/magazines/lhangsam_au g03.htm