Strong's G3895 — παραπίπτω (verb)
parapipto (par-ap-ip'-to) v.
1. to fall aside
2. (figuratively) to apostatize
[from G3844 and G4098]
KJV: fall away 
Root(s): G3844, G4098 
Hebrew root: πίπτω
Occurrences: 1