tzictli.

Headword: 
tzictli.
Principal English Translation: 

chewing gum

IPAspelling: 
tsiktɬi
Frances Karttunen: 

TZIC-TLI chicle, gum of the sapodilla used for chewing gum / chicle (T) [(1)Tp.243]. See TZICOĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 311–312.

Attestations from sources in English: 

tzicquaqua, motzictlatlatza = She chews chicle -- she clacks chicle. (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), 56.

titziquaquatinemi = you go about chewing gum
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 217.

amo tzicquaquaz in otztli = the pregnant woman should not chew chicle (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, 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), 156.