something that gives pleasure and causes happiness or joy (see Molina)
Alonso de Molina:
tepapaquilti. cosa que da plazer y alegria. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 102v. col. 1. Thanks to Joe Campbell for providing the transcription.