From <span class="searchmatch">оҥой</span> (oñoy, “to gape”) + <span class="searchmatch">чоҥой</span> (coñoy). <span class="searchmatch">оҥой</span>-<span class="searchmatch">чоҥой</span> • (oñoy-coñoy) (intransitive) to have a large hole (intransitive, figurative) to suffer a loss...
pit appeared истиэнэҕэ үүт оҥойон көстөр ― istieneğe üüt oñoyon köstör ― there is a gaping hole in the wall <span class="searchmatch">оҥой</span>-<span class="searchmatch">чоҥой</span> (oñoy-coñoy, “to suffer a loss”)...