English
autoconvolution
Autoconvolution comes from Latin convolūtus ‘coiled’, from convolvō ‘to roll together, up or around’, and ultimately from Proto-Indo-European *welH-.
- Proto-Indo-Europeanc. 4500–2500 BCE*welH-‘to roll, to undulate’reconstructed
- Proto-Italicc. 1500–700 BCE*wolwōreconstructed
- Latinc. 75 BCE–200 CEvolvō‘to roll, tumble’
- Latin, derivedc. 75 BCE–200 CEconvolvō‘to roll together, up or around’
- Latin, derivedc. 75 BCE–200 CEconvolūtus‘coiled’
- English1500–presentconvolution
- Englishtodayautoconvolution
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*welH-‘to roll, to undulate’reconstructed
- Proto-Italicc. 1500–700 BCE*wolwōreconstructed
- Latinc. 75 BCE–200 CEvolvō‘to roll, tumble’
- Latin, derivedc. 75 BCE–200 CEconvolvō‘to roll together, up or around’
- Latin, derivedc. 75 BCE–200 CEconvolūtus‘coiled’
- English1500–presentconvolution
- Englishtodayautoconvolution
A compound of auto- + convolution
Proto-Indo-European *h₂ew ‘again’
Ancient Greek αὖ ‘Again, anew, afresh, in turn’
Ancient Greek τόν
Ancient Greek αὐτός ‘self’
English auto-
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, waltz, helix, divulge, vagrant, wale, vulgate, gauche, iliac, ilium, valvular, valise, 72 more
through Proto-Italic *wolwō
revolve, devolve, devolution, 40 more
through Latin volvō ‘to roll, tumble’
volume, involve, revolution, vault, evolution, evolve, revolt, vulva, voluminous, voluble, involution, 43 more
through Latin convolūtus ‘coiled’
through English convolution
Today it means
noun A convolution of a function with itself.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *welH- / autoconvolution