in winter, at the time of cold and ice (see Karttunen)
IPAspelling:
sewetsilispɑn
Frances Karttunen:
CEHUETZILIZPAN in winter, at the time of cold and ice / en tiempo de fríos y hielos (C) [(1)Cf.88r]. See CEHUETZ(I), -PAN. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 28.