diarchy
/ˈdaɪɑːkɪ/(亦作dyarchy)
noun
(pl. -ies)［mass noun］
- government by two independent authorities (especially in India 1919-35)双头政治（尤指1919-1935年在印度实行的由两个权力机构实施统治的政治制度）。
派生词
diarchal
adjectivediarchic
adjective词源
late 19th cent.: from DI-1'two' + Greek arkhia 'rule'， on the pattern of monarchy.