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Book: Challenging Sonority

Chapter: Sonority in Some Languages of the Cameroon Grassfields

DOI: 10.1558/equinox.25670

Blurb:

Syllabification and sequencing phonotactics are thought to reference the sonority of the segments in an input string. The Sonority Sequencing Principle (SSP) holds such that a syllable nucleus will exceed its margins in sonority (Clements 1990, Zec 1995). Additionally, it has been observed that syllabification of a given segment class implies syllabification of all more sonorous classes (Blevins 1995). Both generalizations, first formulated in abstract phonological terms, are easily adapted to a model of sonority grounded in acoustic characteristics of segment classes (Parker 2008, Clements 2009).













I suggest that the above two generalizations do not extend to two languages of the Cameroon Grassfields, Kom and Limbum. Two fricative vowels present in each of these languages are produced (respectively) with labiodental and strident coronal frication—that is, they are produced as obstruents (cf. also Connell 2007). As such, syllabification in these languages is problematic: the obstruent fricative vowels are syllabified where several types of non-obstruents are not, counter to previous predictions. Furthermore, several permitted onset-nucleus sequences violate the SSH, as a fall in sonority may be observed between the onset and the nucleus. Virtually identical phonotactics can be found in numerous unrelated languages outside the Grassfields (Faytak, in press), suggesting that the fricative vowel problem is not confined to one linguistic area.





























































The SSH and implicational statements on syllabification can both be salvaged if the sonority hierarchy is removed from a substantive basis in acoustics. In the case of Kom and Limbum, the fricative vowels derive historically from more typical high vowels *i and *u, such that they could be counted as non-obstruents in some abstract sense. However, if sonority is removed from phonetic substance to broaden empirical coverage, the concept becomes circular. I consider modifications or alternatives to the typical substantively grounded account of sonority and find that segment modulation in a number of acoustic dimensions (Ohala and Kawasaki-Fukumori 1997), rather than segment sonority, provides the greatest explanatory power for Kom’s phonotactics.






























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