tlaapachoa.

Auh yhuan ye macuilpohualxihuitl ypan vii. acatl xihuitl 1499. años yn oquiz. acuecuexatl. yn tlaapachoco tenochtitlan. ynin huel neltiliztli. = And also, it was 110 years ago, in the 7 Reed, 1499, that the Acuecuexatl came out [of its banks] and flooded Tenochitlan; this is well authenticated (1608, Central Mexico)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 130–131.