1640-50; < Frenchressource,Old Frenchressourse, noun derivative of resourdre to rise up < Latinresurgere, equivalent to re-re- + surgere to rise up, lift; see resurge, source
1610s, "means of supplying a want or deficiency," from French resourse "a source, spring," noun use of fem. past participle of Old French resourdre "to rally, raise again," from Latin resurgere "rise again" (see resurgent). Resources "a country's wealth" first recorded 1779.
v.
1975, from resource (n.). Related: Resourced; resourcing.