tzetzelihui.

Headword: 
tzetzelihui.
Principal English Translation: 

to sprinkle or to snow (see Molina)

Orthographic Variants: 
tzetzeliui
IPAspelling: 
tsehtseliwi
Alonso de Molina: 

tzetzeliui. llouiznar, oneuar.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 152r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

tzetzeliui (verb) = to rain, to snow; fig., to pour down
Daniel Garrison Brinton, Ancient Nahuatl Poetry: Containing the Nahuatl Text of XXVII Ancient Mexican Poems (1877), 167.

in immiuh, ontzetzelivi in impan Españoles = their arrows sprinkled down on them [on the Spaniards]
James Lockhart, We People Here: Nahuatl Accounts of the Conquest of Mexico, Repertorium Columbianum v. 1 (Los Angeles: UCLA Center for Medieval and Renaissance Studies, 1993), 184.

themes: 
Weather, Climate