Английский разговорный словарь (основной) - diarchy
Diarchy
diarchy
ˈdaɪɑ:kɪ n. (also dyarchy) (pl. -ies) 1 government by twoindependent authorities (esp. in India 1921-37). 2 an instance of this. øødiarchal adj. diarchic adj. [DI-(1) + Gk -arkhia rule, after monarchy]