mono-hierarchy
Computing term for a hierarchy where each element has at most one parent. Used in data structures, object-oriented programming, and classification systems.
In a mono-hierarchy, each node can have only one parent.
This data model can be represented as a mono-hierarchy.
General term for hierarchy; 単純階層 specifies a simple, single-parent hierarchy.
Multiple hierarchy, where an element can have multiple parents, contrasting with 単純階層.
Compound of 単純 (simple) and 階層 (hierarchy). A straightforward technical term with no unusual etymology.