appanage (n.) Look up appanage at Dictionary.com
c. 1600, from French apanage (13c.), from apaner "to endow with means of subsistence," from Medieval Latin appanare "equip with bread," from ad "to" (see ad-) + panis "bread," from PIE root *pa- "to feed" (see food). Originally, provisions made for younger children of royalty. The double -p- restored in French 15c.-16c., in English 17c.