The Collaborative International Dictionary of English v.0.48:

Kritarchy \Kri"tarch*y\ (kr[imac]"t[aum]rk*[y^]), n. [Gr.
   krith`s judge + 'archh` beginning, government.]
   The rule of the judges over Israel.
   [1913 Webster]

         Samson, Jephthah, Gideon, and other heroes of the
         kritarchy.                               --Southey.
   [1913 Webster]