Trubachyov, Oleg, editor (1979), “*<span class="searchmatch">glupostь</span>”, in Этимологический словарь славянских языков [Etymological dictionary of <span class="searchmatch">Slavic</span> languages] (in Russian), numbers...
Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/divьjestь Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/divostь Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/drevьnostь Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/<span class="searchmatch">glupostь</span>...
*glupiti Nouns (abstract): *<span class="searchmatch">glupostь</span> *glupota Nouns (carrier): *glupyšь *glupьcь Church Slavonic: глоупъ (glupŭ) East <span class="searchmatch">Slavic</span>: Russian: глу́пый (glúpyj)...