New Revised Standard Version
they spent forty days in doing this, for that is the time required for embalming. And the Egyptians wept for him seventy days.

Contemporary English Version
and it took the usual 40 days. The Egyptians mourned 70 days for Jacob.

New American Bible
they spent forty days at it, for that is the full period of embalming; and the Egyptians mourned him for seventy days.

Douay-Rheims Bible
And while they were fulfilling his commands, there passed forty days: for this was the manner with bodies that were embalmed, and Egypt mourned for him seventy days.

And while they were fulfilling his commands, there passed forty days: for this was the manner with bodies that were embalmed, and Egypt mourned for him seventy days.

forty days.

30 days, this was sufficiently effected, the remaining forty, the time mentioned by Diodorus, were employed in anointing it with gums and spices to preserve it, which was properly the embalming. This sufficiently explains the phraseology of the text.

mourned.

Numbers 20:29 And Aaron being dead in the top of the mountain, he came down with Eleazar. And all the multitude seeing that Aaron was dead, mourned for him thirty days throughout all their families.

Deuteronomy 21:13 And shall put off the raiment, wherein she was taken: and shall remain in thy house, and mourn for her father and mother one month: and after that thou shalt go in unto her, and shalt sleep with her, and she shall be thy wife.

Deuteronomy 34:8 And the children of Israel mourned for him in the plains of Moab thirty days: and the days of their mourning in which they mourned Moses were ended.