cuammimilli.

Headword: 
cuammimilli.
Principal English Translation: 

round log or wooden column
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 231.

Orthographic Variants: 
quammimilli
Alonso de Molina: 

quammimilli. pilar de madera, o palo rollizo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 85r. col. 1. Thanks to Joe Campbell for providing the transcription.

Lockhart’s Nahuatl as Written: 

quahuitl, (tla)mimilli related to mimiloa, to roll over and over. 231