poxauac. lo mesmo es que poxactic. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 83v. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
POXĀHUAC something spongy / fofo (T) [(1)Tp.176,(1)Zp.183]. M has poxactic with the same sense See POCHICTIC Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 204.