yiłtłʼis

Etymology
.

Verb

 * 1) he/she is hardening or stiffening it (dough or mud), packing or compacting it densely (snow)

Conjugation
.

Verbal stems

 * IMPERFECTIVE: -tłʼis
 * PERFECTIVE: -tłʼis
 * FUTURE: -tłʼis
 * ITERATIVE: -tłʼis
 * OPTATIVE: -tłʼis