life estate pur autre vie

Etymology
From life estate + pur ("for"), autre ("another"), vie ("life").

Noun

 * 1)  An estate in land which is given by a grantor to a party only for the duration of the life of a third party, and for which ownership will revert to another upon the death of that third party.
 * Joe gives property "to Mike for the life of Bob"; Joe has created a life estate pur autre vie for Mike, but when Bob dies, the property automatically reverts to Joe.

Usage notes
Often written with the French portion italicized: life estate pur autre vie.