The classification of Meroitic is uncertain due to the scarcity of data and difficulty in interpreting it. Since the alphabet was deciphered in 1909, it has been proposed that Meroitic is related to the
Nubian languages and similar languages of the Nilo-Saharan phylum. Claude Rilly is the most recent proponent of the Nilo-Saharan idea: he proposes that it is
Eastern Sudanic, the Nilo-Saharan family that includes Nubian (Rilly 2004, 2007, 2012).
Rowan (2006, 2011), on the other hand, notes that the Meroitic sound inventory and
phonotactics (the only aspects of the language which are secure) are similar to those of the
Afroasiatic languages, and dissimilar from Nilo-Saharan languages. For example, very rarely does one find the sequence
CVC, where the consonants (C) are both labials or both velars. This is similar to consonant restrictions found throughout the Afroasiatic language family, suggesting that Meroitic might have been an Afroasiatic language like Egyptian. The issue is unresolved and most classifications list Meroitic either as questionably Nilo-Saharan or as unclassified (as
Joseph Greenberg did).
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