The Collaborative International Dictionary of English v.0.48:

Misdo \Mis*do"\ (m[i^]s*d[=oo]"), v. t. [imp. Misdid; p. p.
   Misdone (m[i^]s*d[u^]n"); p. pr. & vb. n. Misdoing.] [AS.
   misd[=o]n. See Do, v.]
   [1913 Webster]
   1. To do wrongly.
      [1913 Webster]

            Afford me place to show what recompense
            Towards thee I intend for what I have misdone.
                                                  --Milton.
      [1913 Webster]

   2. To do wrong to; to illtreat. [Obs.] --Chaucer.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Misdoing \Mis*do"ing\, n.
   A wrong done; a fault or crime; an offense; as, it was my
   misdoing.
   [1913 Webster]