Iterated D-layers in a nominal and Multiple Case Exponence: The structure and significance of a morphological <em>rarissimum</em>

The paper addresses a typologically unusual instance of Multiple Exponence: some wh-based items in Digor Ossetic, an agglutinative Eastern Iranian language spoken the Caucasus, exhibit double case marking plural. For example, allative plural indefinite ka-dɐr who-INDEFINITE ‘someone’ is kɐ-mɐ-dɐr-tɐ-mɐ who-ALLATIVE-INDEFINITE-PLURAL-ALLATIVE. I propose analysis this phenomenon framework Distributed Morphology. key ingredients are presence two D heads on spine such nominal; and possibility last-resort sharing value between these heads. Furthermore, under appropriate conditions, exponents associated with undergo haplological dissimilation. rarity kind exponence due to fact that number independent conditions need be met simultaneously order for it obtain.