This hendiadys describes an act of respect and reverence. She was showing honor to Boaz out of gratefulness for what he had done for her by kneeling or lying on the ground and putting her face on the ground. It was also a posture of humility. Alternate translation: "she bowed before Boaz with her face to the ground" (See: [[rc://en/ta/man/jit/figs-hendiadys]] and [[rc://en/ta/man/jit/translate-symaction])