From sub- + subproblem. <span class="searchmatch">subsubproblem</span> (plural <span class="searchmatch">subsubproblems</span>) A subproblem of a subproblem. 1982, Edouard J. Desautels, Assembly language programming...
<span class="searchmatch">subsubproblems</span> plural of <span class="searchmatch">subsubproblem</span>...
contributes to the solution of a larger problem. Synonym: subissue <span class="searchmatch">subsubproblem</span> a problem whose solution contributes to the solution of a larger problem...