cuatlapana.

Headword: 
cuatlapana.
Principal English Translation: 

to break one's head; or, to break the head of another person (transitive)

Orthographic Variants: 
quatlapana
Alonso de Molina: 

quatlapana. nino. (pret. oninoquatlapan.) quebrarse, o quebrantarse la cabeza.
quatlapana. nite. (pret. onitequatlapan.) quebrantar a otro la cabeza.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 86r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

quatlapana (verb) = to break one's head; to suffer much
Daniel Garrison Brinton, Ancient Nahuatl Poetry: Containing the Nahuatl Text of XXVII Ancient Mexican Poems (1877), 160.