'Sustenance' in the Bible

And they encamped against them, and destroyed the increase of the earth, till thou come unto Gaza, and left no sustenance for Israel, neither sheep, nor ox, nor ass.

Now Barzillai was a very aged man, even fourscore years old: and he had provided the king of sustenance while he lay at Mahanaim; for he was a very great man.

Now there came a dearth over all the land of Egypt and Chanaan, and great affliction: and our fathers found no sustenance.