tlapachilhuia.

Principal English Translation:

to cover up or hide another person (see Molina)

IPAspelling:

tɬɑpɑtʃilwiɑː

Alonso de Molina:

tlapachilhuia. nic, vel. nite. (pret. onictlapachilhui, vel.
onictetlapachilhui.) encubrir, o esconder algo a otro.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 130r. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen:

TLAPACHILHUIĀ applic. TLAPACHOĀ.

TLAPACHOĀ vrefl,vt to cover oneself; to cover something, to roof something over / cubrirse con algo (M), cubrir a otro (M) M also has TLAPACHOĀ as an intransitive verb ‘to govern, rule.’ M and T both gloss TLAPACHOĀ as ‘for a hen to brood,’ while M and Z have derived forms with the sense ‘a setting hen.’ See PACHOĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 288.