mictlampa ehecatl.

Headword: 
mictlampa ehecatl.
Principal English Translation: 

a north wind, a cold northerly wind (see Molina); literally, the wind from the underworld

Orthographic Variants: 
mictlanpa ehecatl
Alonso de Molina: 

mictlampa ehecatl. cierzo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56r. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

auh in acalli caacomaiaui, caacotlaço: vel no iuhqui, quinamiqui in mictlampa ehecatl = And it tossed and cast canoes into the air. Just so, indeed, did the north wind sink them. (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 7 -- The Sun, Moon, and Stars, and the Binding of the Venus, No. 14, Part VIII, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 15.