ixayoyo. cosa llena de lagrimas. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 44v. col. 1. Thanks to Joe Campbell for providing the transcription.
Attestations from sources in English:
ixxayoc = place of tears (central Mexico, sixteenth century) Personal communication, James Lockhart, in sessions analyzing Huehuetlatolli.