ticiotl.

Headword: 
ticiotl.
Principal English Translation: 

the practice of medicine, medical knowledge, the medical arts; also, divination through augury, prognostication, omens (see Molina)

Alonso de Molina: 

ticiotl. arte demedicina, o cosa de medicos, o adiuinacion por agueros. s. agoreria de echar suertes.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 113r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

ca tulteca catca in veuetque in oxomoco, in çipactonal, in tlaltetecuj, in xochicaoaca, in tlamatinj catca: in qujtztiaque, in qujximattiaque patli, in qujpeoaltitiaque ticiotl. = The old men Osomoco, Cipactonal, Tlaltetecui, Xochicaoaca, were Tolteca. They were the wise men who discovered, who knew of, medicine; who discovered, who knew of, medicine; who originated the medical art. (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), 167.