'Light' in the Bible

And she went, and came, and gleaned in the field after the reapers: and her hap was to light on a part of the field belonging unto Boaz, who was of the kindred of Elimelech.

And she took her rest at his feet till the morning: and she got up before it was light enough for one to see another. And he said, Let it not come to anyone's knowledge that the woman came to the grain-floor.