Ruc language
Austroasiatic language of Vietnam / From Wikipedia, the free encyclopedia
Rục is a Vietic language spoken by the Ruc people of Tuyên Hóa district, Quảng Bình province, Vietnam. Rục literally means 'underground spring', and is a critically endangered language spoken by a small ethnic group that practiced a hunter-gatherer lifestyle until the late 20th century.[1]