'Forty' in the Bible

When you have completed these [days for Israel], lie down again, but on your right side (toward the south), and you shall bear the wickedness and punishment of the house of Judah forty days. I have assigned you one day for each year.

No man’s foot will pass through it, no animal’s foot will pass through it, and it will not be inhabited for forty years.

So I will make the land of Egypt a desolation [plundered and ruined] among desolated lands; and her cities, among cities that are laid waste, will be desolate forty years. I will scatter the Egyptians among the nations and [I will] disperse them through the lands.”

‘For thus says the Lord God, “At the end of forty years I will gather the Egyptians from the nations among whom they were scattered.

The width of the entrance was ten cubits and the sides of the entrance were five cubits on each side; and he measured its length, forty cubits, and its width, twenty cubits.

In the four corners of the courtyard there were enclosed courtyards, forty cubits long and thirty wide; these four in the corners were the same size.