The Collaborative International Dictionary of English v.0.48:

Disembroil \Dis`em*broil"\, v. t. [imp. & p. p. Disembroiled;
   p. pr. & vb. n. Disembroiling.] [Pref. dis- + embroil.]
   To disentangle; to free from perplexity; to extricate from
   confusion.
   [1913 Webster]

         Vaillant has disembroiled a history that was lost to
         the world before his time.               --Addison.
   [1913 Webster]