quiyoyo.

Headword: 
quiyoyo.
Principal English Translation: 

an herb that has stalks, stems, sprouts, shoots, or the like (see Molina)

Alonso de Molina: 

quiyoyo. yerua que tiene tallo, o cosa semejante.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 89v. col. 2. Thanks to Joe Campbell for providing the transcription.