The particle (i)n is used systematically in Ixquihuacán Nahuatl to mark definiteness and givenness, functioning similar to a definite article. While (i)n originated as a subordinator or adjunctor in Classical Nahuatl, it has taken on a more determiner-like role in Ixquihuacán Nahuatl. The use of (i)n is obligatory with name entities and other type-e expressions, even in focus, though it is replaced with yeh when such expressions are in a predicate focus position. Overall, (i)n builds sentences and discourse in Ixquihuacán Nahuatl in a systematic way, retaining aspects of its