Etymograph

English

convolutional

Convolutional comes from Latin convolūtus ‘coiled’, from convolvō ‘to roll together, up or around’, and ultimately from Proto-Indo-European *welH-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*welH-‘to roll, to undulate’reconstructed
  2. Proto-Italicc. 1500–700 BCE*wolwōreconstructed
  3. Latinc. 75 BCE–200 CEvolvō‘to roll, tumble’
  4. Latin, derivedc. 75 BCE–200 CEconvolvō‘to roll together, up or around’
  5. Latin, derivedc. 75 BCE–200 CEconvolūtus‘coiled’
  6. English1500–presentconvolution
  7. Englishtodayconvolutional

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*welH-‘to roll, to undulate’reconstructed
  2. Proto-Italicc. 1500–700 BCE*wolwōreconstructed
  3. Latinc. 75 BCE–200 CEvolvō‘to roll, tumble’
  4. Latin, derivedc. 75 BCE–200 CEconvolvō‘to roll together, up or around’
  5. Latin, derivedc. 75 BCE–200 CEconvolūtus‘coiled’
  6. English1500–presentconvolution
  7. Englishtodayconvolutional

A compound of convolution + -al

Proto-Indo-European *welH- ‘to roll, to undulate’

Proto-Italic *wolwō

Latin volvō ‘to roll, tumble’

Latin convolvō ‘to roll together, up or around’

Latin convolūtus ‘to roll together’

English convolution

Linked words

through Proto-Indo-European *welH- ‘to roll, to undulate’

well, walk, wall, valve, vulgar, helix, waltz, divulge, vagrant, gauche, wale, vulgate, iliac, ilium, valvular, valise, 74 more

through Proto-Italic *wolwō

revolve, devolve, devolution, 42 more

through Latin volvō ‘to roll, tumble’

volume, vault, involve, revolution, evolution, evolve, revolt, vulva, voluminous, voluble, involution, 45 more

Today it means

adj Of, pertaining to, or causing convolution.

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

Etymograph / Proto-Indo-European *welH- / convolutional