tlacayotl.

Headword: 
tlacayotl.
Principal English Translation: 

things relating to humans; something humane; humanity

See Molina, Karttunen, and Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan (Norman: University of Oklahoma Press, 1997), 251.

IPAspelling: 
tɬɑːkɑyoːtɬ
Alonso de Molina: 

tlacayotl. cosa humana y piadosa, o la humanidad.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 115r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TLĀCAYŌ-TL humanity, multitude of people / cosa humana y piadosa o la humanidad (M), gente, multitud (Z) [(5)Zp.32,63,87,168,204]. See TLĀCA-TL, -YŌ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 253.

Attestations from sources in English: 

in motlācayo = your humanity, your human qualities
Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 98.

Jnic 4. capitulo ytech tlatoa yn tlacayutl = Fourth chapter, which tells of things relative to man (central Mexico, sixteenth century)
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 251.

tlancayotl (f. 32r.) and tlacanyotl (f. 40r.) = household census
(Tepetlaoztoc, sixteenth century)
Barbara J. Williams and H. R. Harvey, The Códice de Santa María Asunción: Facsimile and Commentary: Households and Lands in Sixteenth-Century Tepetlaoztoc (Salt Lake City: University of Utah Press, 1997), 21.