bow the knee, kneel down

Boyd’s Bible Dictionary:

The Eastern mode of salutation by kneeling on one knee and bending the head forward (Gen. 37:10; 1 Kings 1:53; 2:19).

Concise Bible Dictionary:

An act of respect between man and man, very common in the East, as Abraham bowed down himself before the people of the land when he bought a burying place for his dead (Gen. 23:7, 12). Also an act of reverence to God (Psa. 95:6); but strictly forbidden to be done before an idol or image (Ex. 20:5); and treated as an act of worship.

Strong’s Dictionary of Greek Words:

Greek:
γονυπετέω
Transliteration:
gonupeteo
Phonic:
gon-oo-pet-eh’-o
Meaning:
from a compound of 1119 and the alternate of 4098; to fall on the knee
KJV Usage:
bow the knee, kneel down