'Herself' in the Bible

Then she fell on her face, and bowed herself to the ground, and said to him, Why have I found favour in thine eyes, that thou shouldest regard me, seeing I am a foreigner?

And Boaz ate and drank, and his heart was merry, and he went to lie down at the end of the heap of corn. Then she went softly, and uncovered his feet, and laid herself down.