teteztic.

Headword: 
teteztic.
Principal English Translation: 

something very hard (see Karttunen); also, white (see Sahagún)

IPAspelling: 
tetestik
Frances Karttunen: 

TETEZTIC something very hard / muy duro (T) [(1)Tp.226]. See TETEZ-TLI, TEZONTIC.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 235.

Attestations from sources in English: 

teteztic = white (speaking of a beard) (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), 111.