'Feet' in the Bible

“He keeps the feet of His godly ones,But the wicked ones are silenced in darkness;For not by might shall a man prevail.

Then Jonathan climbed up on his hands and feet, with his armor bearer behind him; and they fell before Jonathan, and his armor bearer put some to death after him.

She fell at his feet and said, “On me alone, my lord, be the blame. And please let your maidservant speak to you, and listen to the words of your maidservant.

She arose and bowed with her face to the ground and said, “Behold, your maidservant is a maid to wash the feet of my lord’s servants.”