convolute (verb) – to wind around or roll together; to make unnecessarily complex
BREAKDOWN: CON- (together) + VOL- (roll)
— convolution is the act of twisting or rolling up into a coil
— convoluted means complex or intricate
This word is built on the root VOL-, which means to turn over or to roll.
Common VOL- words include evolve, evolution, and revolve.
More esoteric VOL- words include devolvement and volute.