кутулун

Passive of кут (kut, “to pour”).

кутулун • (kutulun)

1. (intransitive) to be poured
2. (by extension) (intransitive) to be covered or buried

   кумах суолга кутулунна

   kumax suolga kutulunna

   the road was covered with sand / sand covered the road

3. (by extension) (intransitive) to fill up, to be replenished

   дьон хоско кутуллан киирдилэр

   con xosko kutullan kiirdiler

   the room was full of people / people filled the room

Takes the nominative case where English would use "by + agent" to express what is poured, and the dative case (= into, onto) to express what is filled. That is, to an English speaker, it acts almost as a transitive verb (to pour, cover, bury). See the above examples.