paedomorphosisEnglishOxford Dictionary of Englishpaedomorphosis /ˌpiːdə(ʊ)ˈmɔːfəsɪs , ˌpiːdə(ʊ)mɔːˈfəʊsɪs / (US English pedomorphosis) ▸ noun Zoology see neoteny – ORIGIN 1920s: from paedo- + -morph + -osis.