This black-line drawing of the simplex glyph for the personal name Acahual (here, attested as a man's name) shows eight blades of grass [acahual(li)] that are connected at the bottom.
The gloss provides the information that these are dry grasses (acahualli), which Molina conveys were an important fuel for ovens. The more common term for grasses (especially for fodder, for instance) is zacatl.
Jeff Haskett-Wood and Stephanie Wood
acahual(li), dry grasses, https://nahuatl.wired-humanities.org/content/acahualli
Matrícula de Huexotzinco, folio 509r, World Digital Library, https://www.loc.gov/resource/gdcwdl.wdl_15282/?sp=97&st=image
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