the act of sweeping (often, a ceremony or ritual, but also a form of labor demanded by colonists of Nahuas)
See an image that represents tlachpanaliztli in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).
Tlachpanaliztli, tlacuicuiliztli nicchioa. Inin tlatolli, itechpa mitoaya: in tlatequipanoliztli, anozo netitlaniliztli itechpa altepetl, anozo in teupan = I sweep, I gather up the sweepings. This was said by someone who performs a task or service for the city or the temple.