one who makes arrows (see Molina); from: mitl (arrow) + chiuhqui (maker)
IPAspelling:
miːtʃiːwki
Alonso de Molina:
michiuhqui. flechero que las haze. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56r. col. 1. Thanks to Joe Campbell for providing the transcription.