po- | OEDoS

po- (Prefix) "away," "off" Already fossilized as early as Proto-Italic as po- in words like poner. From Proto-Indo-European *h₂p-o 'id.' From the full grade *h₂epo "away" (see ab-) Indo-European Germanic Old High German fane "from," Old Frisian fan 'id.,' Old Saxon fan 'id.' Albanian Albanian pa "without" Balto-Slavic Old Church Slavonic po "after," "by," Russian po 'id.,' Czech po 'id.,' Bulgarian po 'id.' Lithuanian po-, a perfective-forming prefix de Vaan, M. Etymological Dictionary of Latin and Other Italic Languages. BRILL. 2014. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/.