Russet-naped Wood-Rail, a bird (see Hunn, attestations); the word might seem to have a Hispanized orthography (perhaps originally, popoca-calli, smoking house) but sources emphasize that popocales is the sound the bird makes, "po-po-kalli-kalli" (an onomatopoetic word)
name of a famous large volcano; seems to be a sentence saying "the mountain smokes"
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), 230.
name of the volcano now (and then) also called Popōcatepētl; "he smokes, one who smokes," with verb popōca to smoke 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), 230.