This book includes six studies on the acquisition of single Mesoamerican indigenous languages, (Huichol, Zapotec, and the Mayan languages Ch'ol, Tzeltal, K'iche', and Yukatek); and a crosslinguistic study of five Mayan languages (K'anjob'al, K'iche', Tzeltal, Tzotzil, and Yukatek). Three topics are theoretically and methodologically discussed and empirically demonstrated: with respect to ergativity, the ergative-absolutive cross-referencing pattern on the morphological level, noun-verb distinction and the acquisition of body-part locatives in the early lexicon, and the role of semantic...