tlalpantli.

Headword: 
tlalpantli.
Principal English Translation: 

floor, ground

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), 237.

IPAspelling: 
tɬɑːlpɑntɬi
Alonso de Molina: 

tlalpantli. suelo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 124v. col. 1. Thanks to Joe Campbell for providing the transcription.

Lockhart’s Nahuatl as Written: 

tlālpan nominalized. 237