to go from one place to another without rest (see Molina)
IPAspelling:
iːʃkiːsɑ
Alonso de Molina:
ixquiza. n. (pret. onixquiz.) andar sin reposo de una parte a otra. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 47r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
ĪXQUĪZ(A) to go about aimlessly and without rest; for dye to wash out of something, for something to get defaced / andar sin reposo de una parte a otra (M), destiñe... se despinta (Z) [(3)Zp.44,164]. See ĪX-TLI, QUIZ(A). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 119.