itzcuahuitl.

Headword: 
itzcuahuitl.
Principal English Translation: 

an Indigenous weapon, involving an obsidian-blade studded club akin to the macuahuitl

See the Gran Diccionario Náhuatl, citing A. Wimmer (2004), "L'épée indigène," the native sword, translated here to English by Stephanie Wood; https://gdn.iib.unam.mx/diccionario/itzcuahuitl/51378