noun
document logical root
Computing term for the root element of a document's logical structure, used in markup or data modeling contexts.
XML文書では、文書論理根がすべての要素の親となる。
In an XML document, the document logical root is the parent of all elements.
Compound of 文書 (document), 論理 (logic), and 根 (root), likely a calque from English 'document logical root'.