tlanelhuatl.

Headword: 
tlanelhuatl.
Principal English Translation: 

root, base, foundation
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), 237.

IPAspelling: 
tɬɑnelwɑːtɬ
Lockhart’s Nahuatl as Written: 

analysis unclear, but nelhua- appears in many other words having to do with roots and foundations. 237

Attestations from sources in English: 

niman ye yc quauhtzotzona yn oztotenpa ynic oncan quinelhuayotique yn yehuatl altepetl. yn ical yn iteocal yn huitzilopochtli = Thereupon they hammered in wood [piles] at the cave's mouth. Thus they made a foundation for the city and Huitzilopochtli's house, his temple. (central Mexico, early seventeenth century)
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 1, 108–109.

quinpixotehuac iuhquima ynquauhtzonyo in ye cuel teyxhuihuan yn huehue teçoçomoctli tlahtohuani azcapotzalco, auh yehuatl ynelhuayo y nohuian tlahtoque = He scattered his seed as founding ancestor of [his] grandsons, [including] Huehue Teçoçomoctli, ruler of Azcapotzalco. He was the genealogical starting point of rulers everywhere.
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 2, 64–65.