retrocession

noun

In civil law, a reconveyance of heritable rights to the original grantor.

A going back or inward; relapse.

In medicine, the disappearance or metastasis of a tumor, an eruption, etc., from the surface of the body inward.

A sloping backward; a backward inclination or progression; a retreating outline, form, or position.

The act of retroceding or giving back; in Scots law, the reconveyance of any right by an assignee back to the assignor, who thus recovers his former right by becoming the assignee of his own assignee.