chayahua.

Headword: 
chayahua.
Principal English Translation: 

to scatter, pour, sprinkle something down (see Karttunen); Molina adds that this can involve wheat seeds or the like (see Molina)

Orthographic Variants: 
chayaua
Alonso de Molina: 

chayaua. nitla. (pret. onitlachayauh.) esparzir o derramar por el suelo trigo, o cosa semejante.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 19r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

CHAYĀHU(A) vt to scatter, pour, sprinkle something down / esparcir o derramar por el suelo trigo o cosa semejante (M), lo tira, lo derrama, lo esparse, lo riega (T) See CHAYĀHU(I).
CHAYĀHUILIĀ applic. CHAYĀHU(A)
CHAYĀHUALŌ nonact. CHAYĀHU(A)
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 46.