sprùkti, Latvian sprūkt, possibly, from <span class="searchmatch">Proto</span>-Indo-European *prew- (“to jump”). *<span class="searchmatch">prygati</span> to jump Conjugation of *<span class="searchmatch">prygati</span>, *pryga, *prygajetь (impf., -a-, s-aorist...
From *<span class="searchmatch">prygati</span> + *-nǫti. *prygnǫti to jump Conjugation of *prygnǫti, *prygnǫ, *prygnetь (impf., -n-, s-aorist, accent paradigm ?) East <span class="searchmatch">Slavic</span>: Old East...
*prew- (“to jump”); compare <span class="searchmatch">Proto</span>-<span class="searchmatch">Slavic</span> *<span class="searchmatch">prygati</span> (“to jump”), though Kroonen is skeptical of such a connection. See also <span class="searchmatch">Proto</span>-Germanic *fruskaz (“frog”)...
After Snoj, from *pьržiti (“to fry, to roast”). Vasmer connected it with *<span class="searchmatch">prygati</span> (“to jump”), Lithuanian proga (“sprout”), Sanskrit पराग (parāga, “pollen”)...