Nasal-lateral assimilations: typology and structure

Deepthi Gopal

Abstract


In this work, I show that assimilatory nasalization and lateralization in sequences of nasals and laterals (NL and LN) are driven neither by sonority nor by feature sharing, but by a markedness constraint penalizing non-identical but phonologically similar adjacent segments – which I formalize here in an asymmetric implementation of Agreement by Correspondence (ABC; Walker 2000, 2001; Hansson 2001; Rose & Walker 2004). Typological evidence from a survey of 46 languages provides consistent implicational generalizations regarding the distribution of targets of assimilation; penalties on similarity correctly predect the relative lack of assimilation in heterorganic (ML, LM) sequences and in stop-lateral (TL) sequences. I further show that implementions of ABC in which correspondence is symmetric do not predict the observed preference for NL assimilation over LN assimilation; implementing the correspondence relation asymmetrically solves this problem. Analyses predicated on other considerations do not correctly predict the typology.

Keywords


Optimality Theory; Agreement by Correspondence; Sonorants; Assimilation

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DOI: https://doi.org/10.3765/amp.v3i0.3656

Copyright (c) 2016 Deepthi Gopal

License URL: https://creativecommons.org/licenses/by/3.0/