Source : Webster's Revised Unabridged Dictionary (1913)

Intervolve \In`ter*volve"\, v. t. [imp. & p. p. {Intervolved};
   p. pr. & vb. n. {Intervolving}.] [Pref. inter- + L. volvere,
   volutum, to roll.]
   To involve one within another; to twist or coil together.
   --Milton.