noun, noun which may take the genitive case particle 'no'
constitutive form
Technical term used in linguistics and grammar to refer to a form that constitutes or makes up a larger unit. Rare in everyday language.
In this language, the constitutive form determines the sentence framework.
Compound of 構成 (こうせい, 'composition') + 型 (がた, 'type, form'). The exact historical derivation is uncertain, but the term is used in modern technical contexts.