English
evolvent
Evolvent comes from Latin ēvolvēns ‘unrolling’, from volvō ‘roll’, 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‘roll’
- Latin, derivedc. 75 BCE–200 CEēvolvō‘to unroll’
- Latin, derivedc. 75 BCE–200 CEēvolvēns‘unrolling’present participle of ēvolvō
- Englishtodayevolvent
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‘roll’
- Latin, derivedc. 75 BCE–200 CEēvolvō‘to unroll’
- Latin, derivedc. 75 BCE–200 CEēvolvēns‘unrolling’present participle of ēvolvō
- Englishtodayevolvent
Linked words
through Proto-Indo-European *welH- ‘to roll, to undulate’
well, walk, wall, valve, vulgar, waltz, helix, divulge, wale, vagrant, gauche, vulgate, iliac, ilium, valise, valvular, 72 more
through Proto-Italic *wolwō
through Latin volvō ‘roll’
volume, revolution, vault, involve, revolt, convoluted, devolution, voluminous, vulva, revolve, convolution, devolve, involution, voluble, 41 more
through Latin ēvolvō ‘to unroll’
Today it means
noun The involute of a curve.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *welH- / evolvent