impotence, a man's inability to reproduce (see Molina)
Alonso de Molina:
totomiquiliztli. impotencia de varon para engendrar. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 150v. col. 2. Thanks to Joe Campbell for providing the transcription.