Fell to the ground (epesan camai). Second aorist active indicative of piptw with first aorist ending (-an). This recoil made them stumble. But why did they step back? Was it the former claim of Jesus (I am, egw eimi) to be on an equality with God ( John 8:58 ; John 13:19 ) or mere embarrassment and confusion or supernatural power exerted by Jesus? B adds Ihsou which must mean simply: "I am Jesus."