Yehezkiel 29:12-13

29:12 I will turn the land of Egypt into a desolation in the midst of desolate lands; for forty years her cities will lie desolate in the midst of ruined cities. I will scatter Egypt among the nations and disperse them among foreign countries.

29:13 “‘For this is what the sovereign Lord says: At the end of forty years ¹  I will gather Egypt from the peoples where they were scattered.

[29:13]  ¹ sn In Ezek 4:4-8 it was said that the house of Judah would suffer forty years.