HUIHHUĪXTILIĀ vt to weaken someone / lo debilita (Z) [(2)Zp.40,188]. M has viuixcatilia ‘to weaken someone so that he staggers’. The Z form seems to be the same verb with one syllable elided. See HUIHHUITŌN(I), HUIHUIXCA, HUĪHUĪCA. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 89.