emperor
UK: ˈɛmpərə | US: ˈɛmpərər
n. a sovereign ruler of an empire
n. a person holding supreme power or authority
emperor = emper<command> + or<agent noun suffix>
- emper (from Latin imperare, meaning "to command")
 - or (Latin agent noun suffix, indicating "one who does something")
 
Etymology Origin:
The word "emperor" traces back to the Latin imperator, derived from imperare ("to command"). Originally a title for Roman military commanders, it evolved to denote supreme rulers of empires. The morpheme emper preserves the core idea of authority, while or marks the role of the individual wielding that power. This reflects the historical transition from military leadership to imperial sovereignty.
The emperor ruled his vast empire with absolute authority.
Julius Caesar was posthumously declared the first Roman emperor.
The emperor's decree was law throughout the land.
Legends speak of an emperor who united warring kingdoms.
During the ceremony, the emperor wore robes adorned with golden symbols.