Prelativ
Prelativ is a term used in linguistic typology to describe a grammatical case that marks origin or starting point in a sentence. The concept is discussed mainly in the context of languages with rich case systems, where it is considered distinct from other source-related cases such as ablative or elative, though its precise status varies across descriptions. In descriptions that posit a prelativ, the marking can appear as a suffix attached to a noun, as a separate postposed particle, or as a clitic, and it may interact with noun class, number, or animacy.
Function and scope: The core function attributed to prelativ is to indicate the source or starting point
Attestation and status: Prelativ is not widely attested as a universally recognized grammatical category. In many
See also: Ablative, Elative, Translative, Prepositional case, Finno-Ugric language grammars.