Etymograph

English

tortuous

Tortuous comes from Latin tortuōsus ‘twisting, tortuous’, and goes back to Proto-Indo-European *terkʷ- ‘to turn, spin’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*terkʷ-‘to turn, spin’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*torkʷ-éye-tireconstructed
  3. Proto-Italicc. 1500–700 BCE*torkʷejōreconstructed
  4. Proto-Italic, derivedc. 1500–700 BCE*torkʷeōreconstructed
  5. Latinc. 75 BCE–200 CEtorqueō‘to twist, wind, bend awry, distort’
  6. Latin, derivedc. 75 BCE–200 CEtortus‘a twisting, winding’
  7. Latin, derivedc. 75 BCE–200 CEtortuōsus‘twisting, tortuous’
  8. Old Frenchc. 842–1400tortuos
  9. Middle Englishc. 1150–1500tortuous
  10. Englishearliest quotation 1848same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*terkʷ-‘to turn, spin’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*torkʷ-éye-tireconstructed
  3. Proto-Italicc. 1500–700 BCE*torkʷejōreconstructed
  4. Proto-Italic, derivedc. 1500–700 BCE*torkʷeōreconstructed
  5. Latinc. 75 BCE–200 CEtorqueō‘to twist, wind, bend awry, distort’
  6. Latin, derivedc. 75 BCE–200 CEtortus‘a twisting, winding’
  7. Latin, derivedc. 75 BCE–200 CEtortuōsus‘twisting, tortuous’
  8. Old Frenchc. 842–1400tortuos
  9. Middle Englishc. 1150–1500tortuous
  10. Englishearliest quotation 1848same form

Earliest quotation: 1848, Thomas Babington Macaulay, The History of England from the Accession of James the Secon: “The badger made his dark and tortuous hole on…”

Linked words

through Proto-Indo-European *terkʷ- ‘to turn, spin’

queer, tart, thwart, trowel, tortious, 21 more

through Latin torqueō ‘to twist, wind, bend awry, distort’

torch, torque, torment, extortion, distort, torsion, retort, extort, contortion, 18 more

through Latin tortus ‘a twisting, winding’

truss, torta, 6 more

Today it means

adj Twisted; having many turns; convoluted.

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

Etymograph / Proto-Indo-European *terkʷ- / tortuous