Possibly, from <span class="searchmatch">Proto</span>-Indo-European *keg-, *keng- (“peg; hook”). *<span class="searchmatch">kogъtь</span> m claw talon * -ьmь in North <span class="searchmatch">Slavic</span>, -emь in South <span class="searchmatch">Slavic</span>. East <span class="searchmatch">Slavic</span>: Belarusian:...
(kaka-, “tooth”) and <span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span> *<span class="searchmatch">kogъtь</span> (“claw, talon”). The Germanic has been traditionally reconstructed further to a <span class="searchmatch">Proto</span>-Indo-European *keg-, *keng-...