Morphotactic competition in Murrinh-Patha: Rule composition and rule interaction in Information-based Morphology

Abstract

Murrinh-Patha, a polysynthetic Non-Pama-Nyungan language of Australia features competition of subject and object agreement markers for a particular position (i.e. slot 2), meaning that certain subject agreement markers are realised in this position, unless already occupied by overt object agreement markers. In their typology of variable morphotactics, Crysmann & Bonami (2016) cite the case of Murrinh-Patha as an instance of misaligned, conditioned placement. I shall propose a formal account of this positional competition in Murrinh-Patha within Information-based Morphology. To this end, I shall generalise the “pivot” features previously proposed for placement relative to the stem (Italian; Crysmann & Bonami, 2016) or the edge (Sorani Kurdish; Bonami & Crysmann, 2013; Salehi & Koenig, 2023) and show how this will facilitate the treatment of conditioned placement in Murrinh-Patha.