'Required' in the Bible

And Jehovah saith to him, 'Therefore -- of any slayer of Cain sevenfold it is required;' and Jehovah setteth to Cain a token that none finding him doth slay him.

For sevenfold is required for Cain, And for Lamech seventy and sevenfold.'

What was torn I have not brought to thee; I had to bear the loss of it: of my hand hast thou required it, whether stolen by day or stolen by night.

And Reuben answered them, saying, Spake I not unto you, saying, Do not sin against the child; and ye would not hear? therefore, behold, also his blood is required.

It took 40 days to complete the process, the normal period required for embalming. Meanwhile, the Egyptians mourned for him for 70 days.