principate
Concise Oxford English Dictionary © 2008 Oxford University Press:
principate /ˈprɪnsɪpət/
▶noun the rule of the early Roman emperors, during which some republican features were retained.
– origin ME (denoting a principality): from L. principatus ‘first place’, from princeps, princip- (see prince).
'principate' also found in these Oxford entries:
