From podium + -ō. IPA(key): /ˈpɔjjo/ *<span class="searchmatch">podiō</span> (present infinitive *podiāre, perfect active *podiāvī, supine *podiātum); first conjugation (Proto-Italo-Western-Romance)...
(Proto-Italo-Western-Romance) support *<span class="searchmatch">podiō</span> Old French: appuyer French: appuyer → English: appuy, appui → Medieval <span class="searchmatch">Latin</span>: appodiō (13th c.) Italian: appoggiare...