autarky(n = noun.state) autarchy - economic independence as a national policy;
is a kind of independence, independency
Derived forms adjective autarkical₂, adjective autarkical₁

   economic independence as a national policy. [WordNet 1.5]

autarky, n. (pl. -ies)
1 self-sufficiency, esp. as an economic system.
2 a state etc. run according to such a system.

Derivative:
autarkic adj. autarkical adj. autarkist n.

Etymology:
Gk autarkeia (as AUTO-, arkeo suffice)