baldness, or a receding hairline (translation from Molina by SW)
Orthographic Variants:
tixquaxipetz
Alonso de Molina:
tixquaxipetz. la calua, o entradas de la frente. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 113v. col. 2. Thanks to Joe Campbell for providing the transcription.