Where does “t(n)ɛh” come from?

t(n)ɛh (Proto-Bahnaric) comes from Proto-Mon-Khmer t₁iʔ.

Ancestry of “t(n)ɛh”, step by step

Step	Language	Word	Meaning
1	Proto-Mon-Khmer	t₁iʔ	—

t(n)ɛh — Etymology, Origin & Word History | Etymology Explorer