Exodus 21:10

“If he take him another wife, etc.] The father takes another wife for his son, or the son takes another wife to himself after he has betrothed and married his father’s maidservant: her food, her raiment, and her duty of marriage, shall he not diminish; neither deny it her in whole, nor lessen it in part, but give her her full due of each. What is meant by the two former words is easy, and admits of no difficulty, the latter is differently interpreted. Some take it to signify no other than an “habitation” f647, that as he was to provide food and raiment for her, so an house to dwell, in; but the generality of interpreters, Jewish and Christian, understand it as we do, of the conjugal duty, the…”

“her food: Sheairah, "her flesh;" he shall not only afford her a sufficient quantity of food, as before, but of the same quality. She is not to be fed, like a common slave, with a sufficiency of bread, vegetables, milk, etc., but with her customary supply of flesh, and other agreeable articles of food. Co1 7:1-6 Exodus 21:11”