to persevere, or to continue and pursue something (see Molina)
Alonso de Molina:
iccen nicmati. (pret. iccen onicma.) perseuerar, o continuar y proseguir algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 32r. col. 1. Thanks to Joe Campbell for providing the transcription.