ehecayo quiyahuitl.

Headword: 
ehecayo quiyahuitl.
Principal English Translation: 

a downpour with strong winds (see Molina)

Orthographic Variants: 
eecayo quiyauitl, eecayo quiyahuitl
Alonso de Molina: 

eecayo quiyauitl. aguacero con rezio viento.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 28r. col. 2. Thanks to Joe Campbell for providing the transcription.