tenxipalli.

Headword: 
tenxipalli.
IPAspelling: 
teːnʃiːpɑlli
Alonso de Molina: 

tenxipalli. labrio, o bezo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 100r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TĒNXĪPAL-LI pl: -TIN ~ -MEH lip / labio o bezo (M) [(2)Tp.134,159 (2)Zp.74,162,(5)Xp.85]. In T the NX sequence assimilates to XX, which is then degeminated, yielding X. See TĒN-TLI, XĪPAL-LI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 226.