Where does “*kẽn” come from?

*kẽn (Proto-Northern Jê) comes from Proto-Cerrado *kẽt, from Proto-Jê *kẽt.

Ancestry of “*kẽn”, step by step

Step	Language	Word	Meaning
1	Proto-Cerrado	*kẽt	—
2	Proto-Jê	*kẽt	—