tunnusäänensä

Tunnuksenäe, also known as tunnuksenäänensä, is a rare Finnish dialectical and grammatical phenomenon where a possessive pronoun's meaning changes depending on the case and grammatical function of a noun it modifies. In this context, the word "tunnuksen" functions as a possessive noun modifier, but instead of denoting a known owner or a specified relationship, it indicates a relation or a property.

Tunnuksenäe is most commonly found in Eastern Finnish dialects, especially in the dialects of the regions of Savo and Karelia. In these dialects, the pronoun system is highly convergent, and the differences between the various person and number forms of the possessive pronouns are less pronounced. As a result, the distinction between possessive pronouns and possessive noun modifiers becomes blurred.

When a word like "tunnuksen" is used in a sentence to refer to something, it doesn't specify what that something is, but only indicates that it refers to a quality, relation, or property of an object. For example, "tunnuksen mielenkiintoisena" can be translated to English as "interesting, although this interpretation is rather loose. The word's meaning relies on the context in which it is used.

The phenomenon of tunnuksenäe reflects the complexities of the Finnish language's possessive pronoun system, where cases must match to protect the grammatical context of the sentence. This type of phenomenon is another testament to the diverse variations existing within the Finnish language.