foolishly or to return as something else (see Molina)
IPAspelling:
yoːlmɑlɑkɑtʃoɑː
Alonso de Molina:
yolmalacachoa. nite. (pret. oniteyolmalacacho.) desatinar a otro, o traerlo al retortero, o ligarlo con hechizos.
yolmalacachoa. nino. (pret. oninoyolmalacacho.) desatinarse, o boluerse de otro parecer. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 41r. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
YŌLMALACACHOĀ vrefl, vt to lose one’s bearings, to change one’s mind; to confuse, deceive, bewitch someone / desatinarse o volverse de otro parecer (M), desatinar a otro, o traerlo al retortero, o ligarlo con hechizos (M) [(2)Cf.65v]. See YŌL-, MALACACHOĀ.
YŌLMALACACHILHUIĀ applic. YŌLMALACACHOĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 343.