metarule
Technical term used in logic, linguistics, or formal systems to refer to a rule about rules.
この文法理論では、超規則が句構造を制御する。
In this grammatical theory, metarules control phrase structure.
Compound of 超 (chō, 'meta-', 'super-') and 規則 (kisoku, 'rule'). The exact origin is uncertain, but it likely arose as a calque or technical coinage in academic contexts.