cuapayana.

Headword: 
cuapayana.
Principal English Translation: 

to break up dirt clods (see Molina), in preparation for cultivating the soil

Orthographic Variants: 
quapayana
Alonso de Molina: 

quapayana. nitla. (pret. onitlaquapayan.) desboronar o quebrantar terrones.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 85r. col. 1. Thanks to Joe Campbell for providing the transcription.