chiconauhpohualli.

Headword: 
chiconauhpohualli.
Principal English Translation: 

180, or nine twenties (see Siméon)

Orthographic Variants: 
chicunapohualli, chicunappoalli, chicunappohualli, chiucnapohualli, chiucnappoalli, chiconauhpoalli
Alonso de Molina: 

chicunappoalli. ciento y ochenta.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 20v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

auh in tocnioan catca chicunapoalilhuitl oncaxtolli. Auh in toiaovan catca vmpoalilhuitl = They were our friends for 195 days, and our enemies for 40 days. (Mexico City, sixteenth century)
James Lockhart, We People Here: Nahuatl Accounts of the Conquest of Mexico, Repertorium Columbianum v. 1 (Los Angeles: UCLA Center for Medieval and Renaissance Studies, 1993), 176.

Attestations from sources in Spanish: 

chiconauhpoalli = 180, lit. nueve veintes
Rémi Siméon, Diccionario de la lengua náhuatl o mexicana (Mexico: Siglo XXI, 1988), xlv.

themes: 
Numbers, Math