Principal English Translation:
great-grandmother (an unusual word, see Lockhart)
Lockhart’s Nahuatl as Written:
achpil-, achpilli = unusual word meaning great-grandmother
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 210.