ualtemoliztli. descendimiento assi. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 154v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
HUĀLTEMŌLIZ-TLI descent; something lowered / descendimiento así (M), bajado (Z) [(2)Zp.18,154]. This implies the verb HUĀLTEMŌ. See HUĀLTEMŌ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 81.