cuatzayana.

Headword: 
cuatzayana.
Principal English Translation: 

to injure or cut someone's head with a knife (see Molina)

Orthographic Variants: 
quatzayana
Alonso de Molina: 

quatzayana. nite. (pret. onitequatzayan.) herir, o dar cuchillada a otro en la cabeza, o henderle 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: 

quiquatzayanac yxquich esti oquiquixtilic = he broke her head and made much blood spurt out (Jalostotitlan, 1611)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 27, 168–169.

Preterit: oquatzayan. Roots: quaitl and tzayana.
Rémi Siméon, Diccionario de la lengua náhuatl o mexicana, redactado según los documentos.... (Mexico, 1981), 406–407.

Attestations from sources in Spanish: 

Pretérito: oquatzayan. Raices: quaitl y tzayana. (Siméon)