tlacazcaltilli.

Headword: 
tlacazcaltilli.
Principal English Translation: 

a child being raised and instructed by a tutor at home (see Karttunen); a student or pupil, raised in the home (see Molina)

IPAspelling: 
tɬɑːkɑskɑltiːlli
Alonso de Molina: 

tlacazcaltilli. niño o pupilo, criado en casa.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 116r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TLĀCAZCALTĪL-LI child being raised and instructed by a tutor at home / niño o pupilo criado en casa (M) [(2)Bf.2r,3r]. B does not mark the vowel of the fourth syllable for length, but it should be long. See TLĀCAZCALTIĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 253.