Proto-

//pɹoʊ.toʊ//

Pronunciation

US //pɹoʊ.toʊ//
US /[pɹoʊ.ɾoʊ]/
UK //ˈpɹəʊ.təʊ//

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.