subsubproblem

Etymology

From sub- + subproblem.

subsubproblem means A subproblem of a subproblem. Lexicurio rates it Rare gem — a strength score of 82 out of 100.

noun

A subproblem of a subproblem.“If the subproblems are still too complex to grasp easily, these in turn can be decomposed into subsubproblems. This process of successive problem analysis and decomposition can be illustrated by using a "problem tree" structure.”