for a barber to shave one's head completely (see Molina)
IPAspelling:
ɑjoihtʃiki
Alonso de Molina:
ayoichiqui. nite. (pret. oniteayoichic.) rapar o raer bien el pelo el baruero. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 3v. col. 2. Thanks to Joe Campbell for providing the transcription.