Tlapanec , or Mephaa, is an indigenous Mexican language spoken by more than 98,000 Tlapanec people in the state of Guerrero. Like other Oto-Manguean languages, it is tonal and has complex inflectional morphology. The ethnic group themselves refer to their ethnic identity and language as Meñphañañ .
Before much information was known about it, Tlapanec (sometimes written "Tlappanec" in earlier publications) was either considered unclassified or linked to the controversial Hokan language family. It is now definitively considered part of the Oto-Manguean language family, of which it forms its own branch along with the extinct and very closely related Subtiaba language of Nicaragua.
Mephaa people temporarily move to other locations, including Mexico City, Morelos and various locations in the United States, for reasons of work.
Ethnologue distinguishes four Tlapanec languages:
Other sources of information, including native speakers and the Instituto Nacional de Lenguas IndÃÂgenas of the Mexican government, identify eight or nine varieties, which have been given official status: Acatepec, Azoyú, Malinaltepec, Tlacoapa, Nancintla, Teocuitlapa, Zapotitlán Tablas (with Huitzapula sometimes considered distinct), Zilacayotitlán. These share mutual intelligibility of 50% between Malinaltepec and Tlacoapa, though Acatepec has an 80% intelligibility of both.
The Azoyú variety is the only natural language reported to have used the pegative case, though it is verbal case like other 'case' markers in Tlapanec.
Tlapanec is an ergativeâÂÂabsolutive language. However, while most languages of this type have an overt ergative case, Tlapanec is one of the rare examples of a marked absolutive language, that is, an ergative language that overtly marks the absolutive and leaves the ergative unmarked.
There is wide variation in the reported phonology of Tlapanec, including from the following sources:
According to and , in addition to lengthening and nasalization, vowels may also be glottalized; they can be any combination of the three (lengthened, nasalized, glottalized).
According to , the retroflexion (subapical articulation) of the voiceless postalveolar fricative varies, being before , fluctuating between ~ before , retaining slight retroflexion before consonants, and fully retroflexed elsewhere.
Also according to , Allophones of the sounds include . In the existence of the cluster , an allophone may be heard.
Tones differ based on variety.
The glottal stop is written with a saltillo .
Tlapanec-language programming is carried by the CDI's radio station XEZV-AM, broadcasting from Tlapa de Comonfort, Guerrero.