yitsʼǫǫs

Etymology
.

Verb

 * 1) he/she is sucking on it (something solid)

Conjugation
.

Verbal stems

 * IMPERFECTIVE: -tsʼǫǫs
 * PERFECTIVE: -tsʼǫ́ǫ́z
 * FUTURE: -tsʼǫs
 * ITERATIVE: -tsʼǫs
 * OPTATIVE: -tsʼǫǫs