tzonteconehua.

Headword: 
tzonteconehua.
Principal English Translation: 

to give someone a headache through excessive importunity

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 240.

Orthographic Variants: 
tzonteconeua
Alonso de Molina: 

tzonteconeua. no. (pret. onotzonteconeuac.) dolerme la cabeza por auer estudiado o predicado mucho. &c.
tzonteconeua. nite. (pret. onitetzonteconeuh.) dar a otro dolor de cabeza con importunidades. &c.
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.

Lockhart’s Nahuatl as Written: 

nic. Class 2: ōnictzoneconēuh. tzontecomatl, ēhua.
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 240–241.