Robert Haskett and Stephanie Wood's notes from Nahuatl sessions with James Lockhart and subsequent research.
IPAspelling:
tɬɑpiːkilistɬi
Alonso de Molina:
tlapiquiliztli. el acto de fabricar o inuentar algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 132r. col. 1. Thanks to Joe Campbell for providing the transcription.