to scorn someone, or to rejoice at his misfortune (see Molina)
Orthographic Variants:
auia tecan
Alonso de Molina:
auia tecan. (pret. teca onauix.) escarnecer de alguno, oholgarse de su mal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 9v. col. 1. Thanks to Joe Campbell for providing the transcription.