yacaxihuitl.

Headword: 
yacaxihuitl.
Principal English Translation: 

turquoise or gemstone that was used to compose and adorn the noses of the nobles (see Molina)

Orthographic Variants: 
yacaxiuitl
IPAspelling: 
jɑkɑʃiwitɬ
Alonso de Molina: 

yacaxiuitl. turquesa o piedra preciosa con que componian y adornauan os nobles las narizes.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 30v. col. 1. Thanks to Joe Campbell for providing the transcription.