com·mix 
(kə-mĭks, kŏ-)
(kə-mĭks, kŏ-)v. com·mixed, com·mix·ing, com·mix·es
v.intr.
To be or become mixed.
v.tr.
To cause to mix.
[From Middle English commixt, mixed together, from Latin commixtus, past participle of commiscēre, to mix together : com-, com- + miscēre, to mix; see meik- in the Appendix of Indo-European roots.]