cir·cum·volve 
(sûr′kəm-vŏlv)
(sûr′kəm-vŏlv)intr. & tr.v. cir·cum·volved, cir·cum·volv·ing, cir·cum·volves
To revolve or cause to revolve.
[Latin circumvolvere : circum-, circum- + volvere, to roll; see wel-2 in the Appendix of Indo-European roots.]