the peak; at the top of the hill or mountain (see Molina)
Alonso de Molina:
tepetl icpac. cumbre de sierra. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 102v. col. 2. Thanks to Joe Campbell for providing the transcription.