matzayani.

Headword: 
matzayani.
Principal English Translation: 

for a wall to open up, or for the sky to open up, etc. (see Molina)

IPAspelling: 
mɑːtsɑjɑːni
Alonso de Molina: 

matzayani. (pret. omatzayan.) abrirse la pared o el cielo. &c.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 53v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

omatzayan in ilhuicatl, auh niman quimottili in sp̄ū sancto. ye on ma huilotzintli ipā omixeuhtzino ipantzinco ohualmotemohui = The sky split open, and then He saw the Holy Ghost in the form of a dove that descended upon Him. (central Mexico, early seventeenth century)
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 2, 158–159.

themes: 
Celestial Phenomena