appanage
/ˈæpənɪdʒ/(亦作apanage)
noun
1- historical a provision made for the maintenance of the younger children of kings and princes, consisting of a gift of land, an official position, or money〈史〉（供养国王和亲王子女的）封地, 封禄（包括土地、官职或金钱）。
1.1
- archaic a benefit or right belonging to someone; perquisite〈古〉权益; 特权：
the appanages of her rank.
她那个地位所能得到的权益。
词源
early 17th cent.: from French， based on medieval Latin appanare 'provide with the means of subsistence'， from ad- 'to' + panis 'bread'.