xallalli.

Headword: 
xallalli.
Principal English Translation: 

sandy land (see Karttunen)

Orthographic Variants: 
xāllālli, xalalli
IPAspelling: 
ʃɑːllɑːlli
Frances Karttunen: 

XĀLLĀL-LI sandy land / tierra arenosa (Z) [(2)Zp.122,208]. See XĀL-LI, TLĀL-LI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 321.

Attestations from sources in English: 

xalalli = sandy soil
Barbara J. Williams, "Mexico: Aztec Soil Classification and Land Tenure," Actes de XLIIe Congrès International des Américanistes, 9 (Paris: Société des Américanistes, 1980), pp. 165–175. See p. 168.