tzapotl.

Headword: 
tzapotl.
Principal English Translation: 

sapota, zapote, a type of fruit
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), 240.

IPAspelling: 
tsɑpotɬ
Alonso de Molina: 

tzapotl. cierta fruta conocida.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 151v. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TZAPO-TL pl: -MEH sapota, a type of fruit / cierta fruta conocida (M), zapote (X)
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 311.

Attestations from sources in English: 

ynic nauhpa Oquitec tzapotl ce caballo = The fourth time he cut zapote 1 horse (load) (San Bartolomé Atenco, 1617)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 3, 62–63.