Etymograph

English

regio

Regio comes from Latin regiō ‘direction, line’, from Proto-Indo-European *h₃réǵeti ‘to be straightening, to be setting upright’, and ultimately from *h₃reǵ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵ-‘to straighten’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₃réǵeti‘to be straightening, to be setting upright’reconstructed
  3. Proto-Italicc. 1500–700 BCE*regōreconstructed
  4. Latinc. 75 BCE–200 CEregō‘to rule, govern, direct’
  5. Latin, derivedc. 75 BCE–200 CEregiō‘direction, line’
  6. Englishearliest quotation 1907regio

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵ-‘to straighten’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₃réǵeti‘to be straightening, to be setting upright’reconstructed
  3. Proto-Italicc. 1500–700 BCE*regōreconstructed
  4. Latinc. 75 BCE–200 CEregō‘to rule, govern, direct’
  5. Latin, derivedc. 75 BCE–200 CEregiō‘direction, line’
  6. Englishearliest quotation 1907regio

Earliest quotation: 1907, Ronald M. Burrows, The Discoveries In Crete: “The British School has unearthed a city of continuous…”

Linked words

through Proto-Indo-European *h₃reǵ- ‘to straighten’

right, real, rich, royal, correct, regular, rank, arrangement, roy, radar, arrange, rack, rogue, raj, rex, interrogation, rake, dresser, rector, rani, regency, regal, rajah, undress, dressage, rhesus, eldritch, riel, derailleur, rectilinear, dirigible, interregnum, retch, 75 more

through Proto-Indo-European *h₃réǵeti ‘to be straightening, to be setting upright’

ana, anorexia, 42 more

through Proto-Italic *regō

direction, resource, ruler, directory, regiment, erectile, regimen, erectus, erector, 37 more

through Latin regō ‘to rule, govern, direct’

source, rule, director, address, direct, dress, realm, regime, regulate, resurrection, erect, rectify, regent, insurrection, rectum, droit, dirge, incorrigible, irregularity, rectification, régime, rectitude, recto, rectus, derecho, regula, corregidor, 49 more

Today it means

noun Any large area of a planet or moon that is strongly differentiated from neighbouring areas by colour or albedo.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *h₃reǵ- / regio

Shirt and support for this word