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Palatal nasal decomposition in Slovene, Upper Sorbian and Polish1

This article investigates the types of palatal nasal decomposition from the perspective of three Slavic languages: Slovene, Upper Sorbian and Polish. The prepalatal nasal exhibits three different patterns of behaviour: retention, decomposition and depalatalization. Decomposition results in a cluster of the glide [j] and a nasal consonant. The details of this process are different in each of the three phonological systems considered, for instance, the process can yield either [jn] or [nj], and it can occur either in the onset or in the coda. Also the drivers for decomposition are different and include constraints defining permissible inventories as well as constraints governing assimilation. From the theoretical perspective, nasal decomposition raises the question of whether ident constraints should be bidirectional or unidirectional. It is concluded that the latter are indispensable.