*serda (“middle”) + *-ьnъ *<span class="searchmatch">serdьnъ</span> middle, central *serdьňь (Serbo-Croatian, Slovenian, Czech, Polish, Pannonian Rusyn, East <span class="searchmatch">Slavic</span>) *serdina (“midst”) *serdica...
Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/protivьnъ Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/radostьnъ Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/řujьnъ Reconstruction:<span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>/<span class="searchmatch">serdьnъ</span>...