The Collaborative International Dictionary of English v.0.48:

Repartimiento \Re`par*ti`mi*en"to\ (r?`p?r-t?`m?-?n"t?), n.
   [Sp., fr. repartir to divide.]
   A partition or distribution, especially of slaves; also, an
   assessment of taxes. --W. Irving.
   [1913 Webster]