The Collaborative International Dictionary of English v.0.48:

Confix \Con*fix"\, v. t. [imp. & p. p. Confixed; p. pr. & vb.
   n. Confixing.] [L. confixus, p. p. of configere to fasten
   together.]
   To fix; to fasten. [Obs.] --Shak.
   [1913 Webster]