e/Roman Emperor (Principate)

Information
has gloss	eng: The office of Roman Emperor went through a complex evolution over the centuries of its existence. During its earliest phase, the Principate, the reality of autocratic rule was masked behind the forms and conventions of oligarchic self-government inherited from the Roman Republic. The emperor had no specific office unless he chose to occupy the Republican office of consul.
lexicalization	eng: Roman Emperor
instance of	(noun) sovereign of the Roman Empire Emperor of Rome, Roman Emperor