to punish someone with double the punishment (see Molina)
Alonso de Molina:
nepaniuhcatlatzacuiltia. nite. (pret. onitenepaniuhcatlatzacuilti.) castigar a otro con doblado castigo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 68v. col. 2. Thanks to Joe Campbell for providing the transcription.