Etymograph

English

erect

Erect comes from Latin ērectus ‘upright’, from ērigō ‘raise, set up’, and ultimately from Proto-Indo-European *h₃reǵ- ‘to straighten’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵ-1‘to straighten’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₃réǵeti1‘to straighten’reconstructed
  3. Proto-Italicc. 1500–700 BCE*regō1reconstructed
  4. Latinc. 75 BCE–200 CEregō2‘to direct, keep straight, guide’
  5. Latinc. 75 BCE–200 CEērigō2‘raise, set up’
  6. Latinc. 75 BCE–200 CEērectus2‘upright’past participle of ērigō
  7. Middle Englishc. 1150–1500erect2
  8. Englishearliest quotation 1715erect2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin rego, which cites Rix
  2. 2 Wiktionary, English erect
  3. Earliest quotation in Wiktionary’s entry: 1715, Alexander Pope, The Temple of Fame: A Vision: “His piercing Eyes, erect, appear to vievv / Superior…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reǵ-Wiktionary, Latin rego, which cites Rix‘to straighten’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₃réǵetiWiktionary, Latin rego, which cites Rix‘to straighten’reconstructed
  3. Proto-Italicc. 1500–700 BCE*regōWiktionary, Latin rego, which cites Rixreconstructed
  4. Latinc. 75 BCE–200 CEregōWiktionary, English erect‘to direct, keep straight, guide’
  5. Latinc. 75 BCE–200 CEērigōWiktionary, English erect‘raise, set up’
  6. Latinc. 75 BCE–200 CEērectusWiktionary, English erect‘upright’past participle of ērigō
  7. Middle Englishc. 1150–1500erectWiktionary, English erect
  8. Englishearliest quotation 1715erectWiktionary, English erect. Earliest quotation in Wiktionary’s entry: 1715, Alexander Pope, The Temple of Fame: A Vision: “His piercing Eyes, erect, appear to vievv / Superior…”

Linked words

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

right, real, rich, royal, regular, rank, arrangement, roy, radar, correct, arrange, rack, rogue, raj, rex, interrogation, rake, regal, regency, rani, dresser, rajah, undress, dressage, rhesus, rector, eldritch, riel, dirigible, derailleur, interregnum, retch, rectilinear, 76 more

through Proto-Indo-European *h₃réǵeti ‘to straighten’

ana, anorexia, 43 more

through Proto-Italic *regō

regional, resource, regiment, ruler, directory, regimen, 38 more

through Latin regō ‘to direct, keep straight, guide’

source, rule, region, address, director, dress, direction, direct, regime, realm, regulate, resurrection, regent, insurrection, incorrigible, droit, rectify, irregularity, dirge, rectum, rectification, regula, corregidor, regio, rectitude, derecho, rectus, recto, 47 more

Another origin of erect

  1. Middle Englishc. 1150–1500erecten
  2. Englishtodayerect

Today it means

adj Upright; vertical or reaching broadly upwards.

Sources

Sources: Wiktionary, “erect”; the older steps come from the Wiktionary entry for Latin rego. 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- / erect

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