G3922–παρεισέρχομαι–pareiserchomai

Now Law was brought in later on, so that transgression might increase. But where sin increased, grace has overflowed;

παρεισῆλθεν, pareisēlthen “entered,”

Yet there was danger of this through the false brethren secretly introduced into the Church, who had stolen in to spy out the freedom which is ours in Christ Jesus, in order to rob us of it.

παρεισῆλθον pareisēlthon “came in by stealth”