<span class="searchmatch">staccarvi</span> compound of the infinitive staccare with vi straccavi, svaccarti...
straccavi second-person singular imperfect indicative of straccare <span class="searchmatch">staccarvi</span>, svaccarti...
svaccarti second-person singular infinitive of svaccarsi <span class="searchmatch">staccarvi</span>, straccavi...