Ultimately from Proto-Turkic *eŋse. Cognate with Turkish ense, Chuvash ӗнсе (ĕns̬e), etc.
эҥзе • (eŋze)
L. T. Rjumina-Syrkaševa, editor (1995), “эҥзе”, in Teleutsko-russkij slovarʹ, Kemerovo: N. A. Kučigaševa, →ISBN