From <span class="searchmatch">Proto</span>-Indo-European *morwi-. *<span class="searchmatch">morvъ</span> m ant * -ъmь in North <span class="searchmatch">Slavic</span>, -omь in South <span class="searchmatch">Slavic</span>. East <span class="searchmatch">Slavic</span>: Belarusian: мурашка (muraška) Russian: муравей...
From <span class="searchmatch">Proto</span>-Indo-European *morwís. *marwís m ant <span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span>: *mȏrvь, *<span class="searchmatch">mȏrvъ</span> (see there for further descendants)...
*morvjь *morvjinъ *morvjišče *morvjiti *<span class="searchmatch">morvъ</span> *morvъjь East <span class="searchmatch">Slavic</span>: Russian: мура́вь (murávʹ) (dialectal) South <span class="searchmatch">Slavic</span>: Bulgarian: мраф' (mraf') (dialectal)...
From <span class="searchmatch">Proto</span>-Balto-<span class="searchmatch">Slavic</span> *-was, from <span class="searchmatch">Proto</span>-Indo-European *-wós, one of the suffixes from the so-called Caland system. As with other simple suffixes, *-vъ...