See an image that represents tzintli in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).
tzintzonqualactli = rectal humor
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), 138.
ytzitla copalquauhuitl = under the copal tree (San Bartolomé Tlatelolco, Toluca Valley, 1715)
Caterina Pizzigoni, ed., Testaments of Toluca (Stanford: Stanford University Press and UCLA Latin American Center Publications, 2007), 92.
tepetl ytzintla = at the foot of the hill
R. H. Barlow, The Techialoyan Codices; Codex J (Codex of Santa Cecelia Actitlan), Tlalocan 1:3 (1944), 232.
tlatzintla = below
tzintli = buttocks
totzin = our buttocks
omio = bony
nacaio = fleshy
nacaiooa = they become fleshy
omiiooa = they become bony (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), 122.
amo tzintopoltic, amo tzincuecuexactic, tzintamalcuecuexac = not of hatchet-shaped buttocks; nor of flabby buttocks or thighs (16th century, Mexico City)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 2—The Ceremonies, No. 14, Part III, 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, 1951), 65.
-tzitzin = plural
-tzitzintin = plural for animates
Rebecca Horn's notes from Nahuatl classes with James Lockhart, being harvested for this dictionary by Stephanie Wood.