Tai-Ka·dai 
(tī-kädī)
(tī-kädī)n.
A language family including the Tai subfamily and other languages of southern China and Southeast Asia.
[TAI + Kadai (coined from ka-, prefix in Laqua (Tai-Kadai language of Vietnam and southern China) kădăŭ and Gelao (Tai-Kadai language of Vietnam and southern China) kǎtsü, man, human being + DAI).]
Tai-Kadai adj.