(a loanword from Spanish)
Principal English Translation:
the Roman numerals for 20 (see attestations)
Attestations from sources in English:
"1 calli 1545 ... yn cemilhuitl motocaya y çanoquic peuhqui x xv xx xxx xl ynī cemilhuitl (f. 5)" = "1 House (year) 1545 ... All day long they were buried. Also it began that ten, fifteen, twenty, thirty, forty in one day (were buried)"
Frances Krug, "The Nahuatl Annals of the Tlaxcala-Puebla Region," ch. 4, p. 41, Ph.D. Dissertation draft written in the 1980s, with transcriptions and translations approved by James Lockhart. Cited here by SW.
Attestations from sources in Spanish:
ye nemi ye XX siuhtia = su edad es de 20 años (Ciudad de México, 1558)
Luis Reyes García, Eustaquio Celestino Solís, Armando Valencia Ríos, et al, Documentos nauas de la Ciudad de México del siglo XVI (México: Centro de Investigación y Estudios Superiores en Antropología Social y Archivo General de la Nación, 1996), 99.