a supernatural; an omen, augury, or auguries; a frightening thing; something that causes terror (see Karttunen and Molina); also, a sorcerer
Injc, macuilli Capitulo, itechpa tlatoa, in oc centlamantli tetzavitl, in quichiuh naoalli titlacaoan = Fifth Chapter, which telleth of another fraud which the sorcerer Titlacauan wrought (central Mexico, sixteenth century)
Ic chiquacen capitulo, vncan mjtoa in nez, in mottac, in machiotl, ioan in tetzaujtl, in aiamo oalhuj españoles in njcan tlalli ipan, ioan in aiamo iximachoia, in njcan chaneque. = Sixth Chapter, in which it is told how signs and omens appeared and were seen, when the Spaniards had not yet come to this land, and when they were yet unknown to the dwellers here. (central Mexico, sixteenth century)
What in Spain they call agüero [omenz] in Mexico they call tetzahuitl, though the Mexican word means a little more than the Castilian one, because it means "augury, omen, portent, or prodigy that foretells some present or future evil." All this is included in the word tetzahuitl. (Atenango, between Mexico City and Acapulco, 1629)
Inic etetl tetzavitl: vitecoc ipan tlatlatzin teucalli = The third omen was that a temple was struck by lightning (central Mexico, sixteenth century)
in tetzavitl y temictli = the auguries, the dreams (central Mexico, sixteenth century)
ytetzauh mochiuh huey CoColistli = it was the omen of a great plague (Tlaxcala-Puebla, seventeenth century)
quin oncan quihualantiquizque in Diablo tetzahuitl Huitzilopochtli in huallaque ce cihuatl itoca Chimalma ompaqui hualhuicaque in Aztlan Chicocca hualquiztiaque inic hualnenenque. = después salieron de allá para acá asiendo al "diablo Tetzahuitl Huitzilopochtli"; cuando vinieron, trajeron de Aztlan Chicoccan a una mujer llamada Chimalma, cuando salieron y caminaron hacia aquí. [después de allá hacia acá salieron tomando al "diablo Tetzahuitl Huitzilopochtli"; cuando vinieron, de allá trajeron una mujer de nombre Chimalma, cuando vinieron a salir de Aztlan Chicoccan, cuando caminaron hacia acá.] (centro de Mexico, s. XVII)