tlayacatzaptililli.

Headword: 
tlayacatzaptililli.
Principal English Translation: 

something made with a point on it, such as a lance, pike, a pick, or a pin; or, something made slender, such as a spindle (see Molina)

IPAspelling: 
tɬɑjɑkɑtsɑptiliːlli
Alonso de Molina: 

tlayacatzaptililli. cosa hecha con punta, assi como recaton, passador, o cosa ahusada y aguzada de punta.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 120v. col. 2. Thanks to Joe Campbell for providing the transcription.