mizraim

11 And when the inhabitants of the land, the Canaanites, saw the mourning in the floor of Atad, they said, This is a grievous mourning to the Egyptians: wherefore the name of it was called Abel-mizraim, which is beyond Jordan.

Commentary on the Whole Bible Volume I (Genesis to Deuteronomy) 1721

Local tradition connected the name of Abel-mizraim,

Patriarchal Palestine 1889

It is allowed to the tender Joseph, on coming to the threshing floor of Atad, the tomb of his father; it is allowed to pour out his heart in lamentations, to make Canaan resound with the cries of his grief, and to call the place Abel-mizraim, the mourning of the Egyptians.

Sermons translated from the original French of the late Rev. James Saurin, pastor of the French church at the Hague 1812

On this account the Canaanites called it "Abel-mizraim" (Gen. 50: 10,

Easton's Bible Dictionary M.G. Easton 1897