to cover something with earth, or to cover thistles with earth (see Molina)
IPAspelling:
tɬɑːlkimiloɑ
Alonso de Molina:
tlalquimiloa. nitla. (pret. onitlatlalquimilo.) cubrir algo contierra, o aporcar cardos&c. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 124v. col. 1. Thanks to Joe Campbell for providing the transcription.