Origin: 1640–50; < French ressource,Old French ressourse, noun derivative of resourdre to rise up < Latin resurgere, equivalent to re-re- + surgere to rise up, lift; see resurge, source
1611, "means of supplying a want or deficiency," from Fr. resourse, from fem. pp. of O.Fr. resourdre "to rally, raise again," from L. resurgere "rise again" (see resurgent). Resources "a country's wealth" first recorded 1779.