Adjectiivina
Adjectiivina refers to the grammatical process of forming an adjective from another word class, typically a noun or a verb. In many languages, this conversion involves the application of specific morphological markers or productive derivational patterns that signal adjective use. The resulting form functions as an adjective in syntactic contexts, modifying nouns, participating in adjectival predicate positions, and obeying agreement or case marking rules applicable to adjectives.
The term is especially common in Finnish linguistic literature, where it describes the nominal or verbal bases
Adjectivization is a productive phenomenon in many languages, including English (e.g., "gold" to "golden", "bright" to
Researchers study adjectivization to understand morphological productivity, lexical change, and the interface between syntax and morphology.