autarky

Concise Oxford English Dictionary © 2008 Oxford University Press:
autarky /ˈɔːtɑːki/ (also autarchy)

▶noun (pl. autarkies)

• 1 economic independence or self-sufficiency.

• 2 a state or society which is economically independent.

– derivatives
autarkic adjective.

– origin C17: from Gk autarkeia, from autarkēs ‘self-sufficiency’.