to cut a canvas along the length; or to make lines or saw wood
IPAspelling:
ʃotɬɑ
Alonso de Molina:
xotla. nitla. (pret. onitlaxotlac.) cortar ala larga lienzo, o cosa semejante, o hazer rayas, o aserrar madera. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 161r. col. 2. Thanks to Joe Campbell for providing the transcription.