Genitivuldativ
Genitivuldativ is a term used in some discussions of grammar to denote a single grammatical case form that serves both genitive and dative functions. The name is a portmanteau of genitiv (genitive) and dative (dativ). It is not a standard category in mainstream grammars and is not widely attested as a conventional label. In its proposed sense, a single inflection would encode possession relations (genitive) and indirect-object relations (dative), depending on syntactic context, verbs, and prepositions.
In typology, such a category would be an example of case merging or syncretism, where distinct functional
Examples are hypothetical: in a language with genitivuldativ, a single form could mark both “the man’s book”
Because the term is not standard, many grammars would instead describe possession with genitive and indirect