a mat that has been prepared or painted red (see Molina)
IPAspelling:
espetɬɑtɬ
Alonso de Molina:
ezpetlatl. estera labrada o pintada de colorado. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 29v. col. 2. Thanks to Joe Campbell for providing the transcription.