zacamolhuia.

Headword: 
zacamolhuia.
Principal English Translation: 

to break ground again and work the field for someone (see Molina); to break ground, clear land, weed (see Karttunen)

Orthographic Variants: 
çacamolhuia
IPAspelling: 
sɑkɑmolwiɑː
Alonso de Molina: 

zacamolhuia. nite. (pret. onitezacamolhui.) romper de nueuo la tierra a otro.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 13v. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

ZACAMOLHUIĀ applic. ZACAMOĀ. ZACAMOĀ break ground, clear land, weed / abrir o labrar de nuevo la tierra, rozar la yerba (M) [(2)Cf.65v]. See ZACA-TL.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 345.