<span class="searchmatch">protogenal</span> (comparative more <span class="searchmatch">protogenal</span>, superlative most <span class="searchmatch">protogenal</span>) (rare) primitive prolongate...
simple past and past participle prolongated) To prolong or lengthen. <span class="searchmatch">protogenal</span> prōlongāte second-person plural present active imperative of prōlongō...