Genesis 50:10

Then they came to the threshing floor of Atad, which is beyond the Jordan, and they mourned there with a great and very solemn lamentation. He observed seven days of mourning for his father.

Surrounding context

50:9 And there went up with him both chariots and horsemen, and it was a very great gathering.

50:10 Then they came to the threshing floor of Atad, which is beyond the Jordan, and they mourned there with a great and very solemn lamentation. He observed seven days of mourning for his father.

50:11 And when the inhabitants of the land, the Canaanites, saw the mourning at the threshing floor of Atad, they said, "This is a deep mourning of the Egyptians." Therefore its name was called Abel Mizraim, which is beyond the Jordan.

Translation and sources