Etymology

regnum

reg·num
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Today it means: A rank in the classification of organisms, below dominium and above divisio. Full definition →

Latin rēgnum
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The story

  1. Latin · borrowed fromrēgnum“kingdom”
  2. English todayregnum

From Latin rēgnum (“kingdom”). Doublet of reign.

Words from the same roots

Latinrēgnum all →

regnal

Etymology from Wiktionary, CC BY-SA 4.0.