LATIN DICTIONARYLexicon Latīnum
nounsecond declension

merum imperium

merum imperium n (genitive merī imperiī or merī imperī)
Classical[ˈmɛ.rũː ɪmˈpɛ.ri.ũː]Ecclesiastical[ˈmɛː.rum imˈpɛː.ri.um]

Meaning

  1. Ancient RomeneuterThe coercive, executive authority of a judge, which cannot be delegated; the right to execute criminal punishments.
  2. Medieval LatinneuterPublic authority in general; the jurisdiction held and delegated by a sovereign, especially the authority over life and death; sovereignty.
    Dico merum imperium competere soli principi per excellentiam, tamen alii possunt exercere merum imperium ut presides provinciarum, multo fortius maiores iudices […]I say merum imperium preeminently belongs to the prince alone, but others can exercise merum imperium, such as provincial governors and much higher judges […]13th century, Odofredus, Elucidatio in novem posteriores libros Infortiati; republished as Matura, diligentissimeque repetita interpretatio […], 1550, folio 38ᵛ, paragraph 9:

Origins

Literally “pure power” or “pure authority”.

Quick answers

What does merum imperium mean in Latin?
merum imperium, a noun, means “The coercive, executive authority of a judge, which cannot be delegated; the right to execute criminal punishments.; Public authority in general”.
What is the genitive of merum imperium?
The genitive singular is merī imperiī. merum imperium is second declension.
How do you pronounce merum imperium?
In classical Latin, [ˈmɛ.rũː ɪmˈpɛ.ri.ũː]; in ecclesiastical (church) Latin, [ˈmɛː.rum imˈpɛː.ri.um].