old petate, old woven mat; can also refer to a centipede, according to A. Wimmer (2004), in the Gran Diccionario Náhuatl, https://gdn.iib.unam.mx/diccionario/petlazolli/59808, although usually the centipede is petlazolcoatl
"shining hair strands" Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 9 -- The Merchants, No. 14, Part 10, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1959), 59.