to put onion in the salmagundi (a mixed dish consisting of chopped meat, eggs, onions, oil, etc.), or in the stew (see Molina)
Orthographic Variants:
xonacauia
IPAspelling:
ʃoːnɑkɑwiɑ
Alonso de Molina:
xonacauia. nitla. (pret. onitlaxonacaui.) echar cebolla al salpicon, o al guisado. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 161r. col. 1. Thanks to Joe Campbell for providing the transcription.