Eastern Peripheral Nahuatl is a group of Nahuatl languages, including the Pipil language of El Salvador and the Nahuatl dialects of the Sierra Norte de Puebla, southern Veracruz, and Tabasco (Isthmus dialects):[1] The boundaries of Eastern Nahuatl are not clear.
Southeastern Puebla (Tehuacan-Zongolica) is particularly ambiguous.
Hasler (1996:164) summarizes the situation,
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