tunnuspiirteidensä

tunnuspiirteidensä is a Finnish word. It is the genitive plural form of the word tunnuspiirre. The word tunnuspiirre itself translates to characteristic, feature, or distinguishing mark. Therefore, tunnuspiirteidensä refers to "of their characteristics" or "their distinguishing marks."

This grammatical form is used when referring to the possession or attribution of characteristics belonging to multiple entities. For example, one might say "tunnuspiirteidensä perusteella" which means "based on their characteristics." The word can be applied in various contexts, from describing the unique traits of a group of people or animals to the specific features of a set of objects or concepts. Understanding this word requires an awareness of Finnish grammar, particularly its case system and plural forms. Its usage is integral to expressing nuanced relationships of possession and attribution within the Finnish language.