aubaine

Etymology
From (as in ), from, of  origin. Perhaps from   or from.

Noun

 * 1)  The inheritance of goods from a foreigner who died in a country where he was not naturalised.

Etymology 1
From. Later meanings are an extension of the legal sense.

Noun

 * 1) the inheritance of goods belonging to a foreigner who died in a country where they have not been naturalised (the doctrine of droit d'aubaine)
 * 2) godsend, boon, windfall
 * 3) bargain, steal
 * 1) bargain, steal