Strong's G1120 — γονυπετέω (verb)
gonupeteo (gon-oo-pet-eh'-o) v.
1. to fall on the knee
[from a compound of G1119 and the alternate of G4098]
KJV: bow the knee, kneel down 
Root(s): G1119, G4098 
Hebrew root: πίπτω
Occurrences: 4