From *pustъ + *-yni. *<span class="searchmatch">pustyni</span> f desert, wilderness, wasteland * -asъ is the expected Balto-<span class="searchmatch">Slavic</span> form but is found only in some Old Czech documents;...
Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/kъnęgyni Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/<span class="searchmatch">pustyni</span> *-i m *-ninъ m *jьnъ (“other, someone else”) (pronoun) East <span class="searchmatch">Slavic</span>: Old East <span class="searchmatch">Slavic</span>: -ꙑни...
from <span class="searchmatch">Proto</span>-Indo-European *peh₂w-, but Derksen challenges this on accentual grounds. *pȗstъ empty, desolate, void Accent paradigm c. *pustiti *<span class="searchmatch">pustyni</span> *pustošь...
occurs in languages that do not (e.g. Russian). *pustošь *<span class="searchmatch">pustyni</span> East <span class="searchmatch">Slavic</span>: Old East <span class="searchmatch">Slavic</span>: пуща (pušča) Old Ruthenian: пу́ща (púšča), пу́сча (púsča)...