huellacuiloa.

Headword: 
huellacuiloa.
Principal English Translation: 

to know how to write; to be literate (comprised of huel, able, and tlacuiloa, write or paint) (see attestations)

Attestations from sources in English: 

auh nican oquitlalique yn intoca y huellacuiloa = And those who know how to write placed their names here.
Testaments of Culhuacan (provisionally modified first edition), eds. Sarah Cline and Miguel León-Portilla, online version http://www.history.ucsb.edu/cline/testaments_of_culhuacan.pdf, 4.