Where does “regnum” come from?

Regnum derives from Latin regnum, from Latin rex, from Proto-Indo-European h₃rḗǵs, ultimately from the root Proto-Indo-European h₃reǵ-.

regnum (English): A rank in the classification of organisms, below...

Definitions

  1. A rank in the classification of organisms, below...

Ancestry of “regnum”, step by step

StepLanguageWordMeaning
1Latinregnumroyal power, power, control, kingdom, reign;...
2Latinrēxking, ruler
3Proto-Italicrēksking
4Proto-Indo-Europeanh₃rḗǵsking, ruler
5Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

Words derived from “regnum”

Every word from Proto-Indo-European h₃reǵ- →Every word from Proto-Indo-European h₃rḗǵs →Every word from Proto-Italic rēks →