ilmiönsä

Ilmiönsä is the third-person possessive form of the Finnish noun ilmiö (phenomenon). It is formed by taking the genitive ilmiön and adding the third-person possessive suffix -sä (often realized as -nsä in combination with the genitive), producing ilmiönsä. The word translates roughly as "his/her/its phenomenon" and is used to refer to a phenomenon belonging to or associated with the subject of the clause.

Usage of ilmiönsä occurs in descriptive or narrative Finnish when the speaker wants to indicate ownership or association of a phenomenon. Examples include sentences like "Tutkija kuvasi ilmiönsä yksityiskohtaisesti" and "Käyttäjä raportoi ilmiönsä vaikutuksista." In such contexts the owner is understood from the surrounding context or explicitly stated elsewhere in the sentence.

Morphology and function: The form illustrates how Finnish nouns can express ownership through suffixation rather than separate possessive pronouns. ilmiönsä is not a special term; it is a normal inflected form that can be used with any noun to indicate the phenomenon or entity belonging to the subject. The exact suffix shape follows standard Finnish possessive rules, with ilmiönsä serving as a common example of third-person possession attached to a noun stem.

See also: ilmiö, Finnish grammar, possessive suffixes.