Where does “*C̬.qawꟲ” come from?

*C̬.qawꟲ (Proto-Tai) comes from Proto-Austroasiatic *rŋkoːʔ.

Ancestry of “*C̬.qawꟲ”, step by step

Step	Language	Word	Meaning
1	Proto-Austroasiatic	*rŋkoːʔ	—