petlapan.

Headword: 
petlapan.
Principal English Translation: 

on the mat (or, in the position as ruler) (see Molina)

IPAspelling: 
petɬɑpɑn
Alonso de Molina: 

petlapan. encima delas esteras.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 81r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

oqujchtiz, quauhtiz, ocelotiz, tiacauhtiz, imac manjz in quauhxicalli, in quauhpiaztli, quauhpetlapan, ocelopetlapan iez, catlitiz, qujtlamacaz in tonatiuh, in tlaltecutli = He will be brave, an eagle warrior, an ocelot warrior, a valiant warrior; he will provide sacrificial victims; he will be in the military command; he will provide drink, he will provide offerings to the sun, to Tlaltecutli (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, 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, 1961), 198.