a headache given to someone; a headache through excessive importunity (see Molina)
Orthographic Variants:
tzonteconeualiztli
Alonso de Molina:
tzonteconeualiztli. dolor de cabeza desta manera. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 153v. col. 1. Thanks to Joe Campbell for providing the transcription.