Declinement
Declinement refers to the process of grammatical inflection, specifically the changes in the form of a noun, pronoun, adjective, or article to express its grammatical function in a sentence. These functions typically include case, number, and gender. For instance, in many languages, a noun will change its ending depending on whether it is the subject of a sentence (nominative case), the object of a verb (accusative case), the object of a preposition (dative or genitive case), or possesses something (genitive case). The number of a noun can also be indicated through declension, distinguishing between singular and plural forms. Gender, in languages that utilize grammatical gender, is often marked by the declensional endings of nouns and their accompanying adjectives and articles.
The concept of declension is fundamental to understanding the morphology of many Indo-European languages, such as