for nothing to impede one's progress (metaphorical) (see Molina, who gives the example in the first person singular, nech-)
Alonso de Molina:
atle nechicximimictia. Pret. atle onechicximimicti. ninguna cosa me impide o estorua. metaphora. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 8v. col. 2. Thanks to Joe Campbell for providing the transcription.