ad·mix 
(ăd-mĭks)
(ăd-mĭks)tr. & intr.v. ad·mixed, ad·mix·ing, ad·mix·es
To mix; blend.
[Back-formation from obsolete admixt, mixed into, from Middle English, from Latin admixtus, past participle of admiscēre, to mix into : ad-, ad- + miscēre, to mix; see meik- in the Appendix of Indo-European roots.]