tlapexoniliztli.

Headword: 
tlapexoniliztli.
Principal English Translation: 

a very full or generous measurement (see Molina)

IPAspelling: 
tɬɑpeʃoːnilistɬi
Alonso de Molina: 

tlapexoniliztli. colmadura de medida.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 131v. col. 2. Thanks to Joe Campbell for providing the transcription.