tlalhuatl.

Headword: 
tlalhuatl.
Principal English Translation: 

nerve(s) (see Molina and Sahagún)

(sixteenth century, central Mexico)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 10 -- The People, No. 14, Part 11, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 131.

Orthographic Variants: 
tlaloatl
Alonso de Molina: 

tlalhuatl. neruio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 123v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

tlaloatl = nerve; tlaloapitzaoac (tlalhuapitzahuac) = thin nerves; tlaloapitzactli (tlalhuapitzactli) = thin nerves; iehoatl in ie muchi tlaloatl, in toôlpica = all the nerves [are] what we are bound together with; omitlaloatl (omitlalhuatl) = bundle of nerve fibers (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 10 -- The People, No. 14, Part 11, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 132, 133.

themes: 
Anatomy