to color something red, or to color it with red ochre (see Molina)
Orthographic Variants:
tlatlauilia
Alonso de Molina:
tlatlauilia. nitla. (pret. onitlatlatlauilli.) almagrar, o parar bermejo algo. 71m2-140r. col. 1. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. Thanks to Joe Campbell for providing the transcription.