Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Proto-Indo-European *welH-der. Proto-Italic *wolwō Latin volvō Latin convolvōbor. English convolve Borrowed from Latin convolvere (“roll together”), from con- (“together”) + volvō (“roll”); see voluble, volute, and compare involve, evolve, revolve.