Etymograph

English

rectify

Rectify comes from Medieval Latin rēctificō ‘to make right’, from Latin rēctus ‘straight’, and perhaps ultimately from Proto-Indo-European *h₃reǵ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵ-1‘to straighten, direct’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵtós1‘having moved in a straight line’uncertain
  3. Proto-Italicc. 1500–700 BCE*rektos1reconstructed
  4. Latinc. 75 BCE–200 CEregō1‘to keep or lead straight, to guide’
  5. Latinc. 75 BCE–200 CErēctus2‘straight’
  6. Medieval Latinc. 600–1500rēctificō2‘to make right’
  7. Anglo-Normanc. 1066–1400rectifiier2
  8. Middle Englishc. 1150–1500rectifien2
  9. Englishearliest quotation 1646rectify2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin rectus
  2. 2 Wiktionary, English rectify
  3. Earliest quotation in Wiktionary’s entry: 1646, Sir Thomas Browne, Pseudodoxia Epidemica: “For thus their Sense informeth them, and herein their…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵ-Wiktionary, Latin rectus‘to straighten, direct’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵtósWiktionary, Latin rectus‘having moved in a straight line’uncertain
  3. Proto-Italicc. 1500–700 BCE*rektosWiktionary, Latin rectusreconstructed
  4. Latinc. 75 BCE–200 CEregōWiktionary, Latin rectus‘to keep or lead straight, to guide’
  5. Latinc. 75 BCE–200 CErēctusWiktionary, English rectify‘straight’
  6. Medieval Latinc. 600–1500rēctificōWiktionary, English rectify‘to make right’
  7. Anglo-Normanc. 1066–1400rectifiierWiktionary, English rectify
  8. Middle Englishc. 1150–1500rectifienWiktionary, English rectify
  9. Englishearliest quotation 1646rectifyWiktionary, English rectify. Earliest quotation in Wiktionary’s entry: 1646, Sir Thomas Browne, Pseudodoxia Epidemica: “For thus their Sense informeth them, and herein their…”

Linked words

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

real, rich, royal, regular, regional, rank, arrangement, roy, direction, resource, radar, correct, arrange, rack, ana, rogue, ruler, righteous, regiment, upright, rightly, rex, raj, interrogation, directory, rake, rightful, regal, regimen, regency, rani, anorexia, rector, rajah, rhesus, eldritch, rightness, riel, aright, dirigible, 76 more

through Proto-Indo-European *h₃reǵtós ‘having moved in a straight line’

right, 6 more

through Latin regō ‘to keep or lead straight, to guide’

source, rule, region, director, dress, direct, regime, realm, regulate, regent, resurrection, erect, insurrection, incorrigible, droit, irregularity, dirge, regula, corregidor, regio, derecho, 47 more

through Latin rēctus ‘straight’

address, dresser, undress, dressage, rectum, rectus, recto, 6 more

Today it means

verb To heal (an organ or part of the body).

Sources

Sources: Wiktionary, “rectify”; the older steps come from the Wiktionary entry for Latin rectus. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

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

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