postnatal
adj. US //ˌpoʊstˈneɪtəɫ// UK //pˈəʊstneɪtəl// post·na·tal
Etymology tree Proto-Indo-European *pós Proto-Indo-European *-ti Proto-Indo-European *pós-ti Proto-Italic *posti Latin poste Latin post English post- Proto-Indo-European *ǵenh₁- Proto-Indo-European *-tós Proto-Indo-European *ǵn̥h₁tós Proto-Italic *gnātos Latin gnātus Latin nātus Proto-Italic *-ālis Latin -ālis Latin nātālisbor. Middle English natal English natal English postnatal From post- + natal. First use appears c. 1831.