pilihui.

Headword: 
pilihui.
Principal English Translation: 

to become creased or faded; or, for hair to become entangled (see Molina)

Orthographic Variants: 
piliui
IPAspelling: 
piliwi
Alonso de Molina: 

piliui. ni. (pret. onipiliuh.) arrugarse o marchitarse, opegarse los cabellos vnos con otros.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 81v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

pilihui (verb) = to fasten to, to mingle with
Daniel Garrison Brinton, Ancient Nahuatl Poetry: Containing the Nahuatl Text of XXVII Ancient Mexican Poems (1877), 160.