noun
reference modifier
A computing term for a modifier that adjusts or specifies a reference, such as in programming language semantics or database references.
この言語では、部分参照子を使って参照の範囲を制限できる。
In this language, you can limit the scope of a reference using a reference modifier.
Compound of 部分 (partial) + 参照 (reference) + 子 (element/child), likely a calque from English 'reference modifier' in computing contexts.