tacel.

Headword: 
tacel.
Principal English Translation: 

nits (of lice, presumably) (see Molina)

Alonso de Molina: 

tacel. las liendres.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 90v. col. 1. Thanks to Joe Campbell for providing the transcription.

themes: 
Animals, Bugs, Insects, Reptiles, Fish, etc.