From pro- + tallo. <span class="searchmatch">protallo</span> m (plural protalli) (botany) prothallium, prothallus...
prosecretina prosegretario prosillogismo prosillogistico prosinodale prosuocero <span class="searchmatch">protallo</span> protutore provicariato provicario provitamina prozio procariota procariote...