Read Ruth 3:14 Using Other Translations
And she lay at his feet until the morning: and she rose up before one could know another. And he said, Let it not be known that a woman came into the floor.
So she lay at his feet until the morning, but arose before one could recognize another. And he said, "Let it not be known that the woman came to the threshing floor."
So Ruth lay at Boaz’s feet until the morning, but she got up before it was light enough for people to recognize each other. For Boaz had said, “No one must know that a woman was here at the threshing floor.”