tlauitl. almagre. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 145r. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
TLĀHU(I)-TL red ochre / almagre (M) This is indirectly attested in the verb TLĀHUIĀ having to do with red firelight and TLĀHUIZCAL-LI ‘the rosy light of dawn.’ Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 270.