"And if a man beats his male or female servant with a rod, so that he dies under his hand, he shall surely be punished.
Exodus 21:20
Surrounding context
21:19 if he rises again and walks about outside with his staff, then he who struck him shall be acquitted. He shall only pay for the loss of his time, and shall provide for him to be thoroughly healed.
21:20 "And if a man beats his male or female servant with a rod, so that he dies under his hand, he shall surely be punished.
21:21 Notwithstanding, if he remains alive a day or two, he shall not be punished; for he is his property.