momachtiqui. aprendiz o estudiante. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 58v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
MOMACHTIHQUI student, follower / aprendiz o estudiante (M), discípulo, alumno, estudiante (Z) [(4)Zp.9,46,58,170]. See MACHTIĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 151.