a southwest wind, or a wind from the meridian (see Molina)
Orthographic Variants:
uitz ehecatl
Alonso de Molina:
uitz ehecatl. viento abrego, o de medio dia. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 157v. col. 2. Thanks to Joe Campbell for providing the transcription.