atzon.

Headword: 
atzon.
Principal English Translation: 

moss; possibly high water or headwaters; or, part of a phrase for either/or (see attestations)

Attestations from sources in English: 

Some translate the place name Atzompa (or Atzompan) as "At the Headwaters" or "At the High Water Mark."

atzon muztla anotzon [i.e., anozo] huiptla = either tomorrow or the day after, or perhaps tomorrow or the day after
Teresa Rojas Rabiela, Vidas y bienes olvidados (1999), 131.

Attestations from sources in Spanish: 

nicpoxijiya inïn âtzon iga cuâ' nimâltiá nêyojyoyomotza. = Yo odio mucho este musgo porque cuando me baño, me molesta.
Gran Diccionario Náhuatl, citing Mecayapan 2002, https://gdn.iib.unam.mx/diccionario/atzon/28701