genitive case
noun1
Grammar, Human sciences, Linguistics, Sciences The grammatical case, chiefly applicable to nouns, used to express a relationship of origin or possession. It corresponds roughly to the English preposition of and the suffix -'s.
- In very early times a man seems to have been known by a single name together with his father's name in the genitive case, e.g. Marcus Marci; […]1945, E[lizabeth] G[idley] Withycombe, “Introduction”, in The Oxford Dictionary of English Christian Names, Oxford, Oxfordshire: Clarendon Press, →OCLC, page xiv: