tetenatic.

Headword: 
tetenatic.
Principal English Translation: 

sharp on both edges

Gran Diccionario Náhuatl, citing A. Wimmer (2004) who cites Sahagún, Book 11. https://gdn.iib.unam.mx/diccionario/tetenatic

Attestations from sources in English: 

See an image that represents tetenatic in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).