tlaximaltepoztontli.

Headword: 
tlaximaltepoztontli.
Principal English Translation: 

a small hatchet for working wood (see Molina); the -tepoz- component suggests copper; the -tontli suffix adds the diminutive meaning; thus, the tlaximaltepoztli could be a regular-sized hatchet for cutting wood (SW)

Orthographic Variants: 
tlaximaltepuztontli
Alonso de Molina: 

tlaximaltepuztontli. hachuela tal.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 146r. col. 1. Thanks to Joe Campbell for providing the transcription.