toxic.

Headword: 
toxic.
Principal English Translation: 

the umbilical cord (see Molina)

Alonso de Molina: 

toxic. el ombligo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 151r. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

See an image that represents toxic in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).