to leap, jump, run; or to splash (see Molina and Karttunen)
IPAspelling:
tsikwiːni
Alonso de Molina:
tzicuini. (pret. otzicuin.) salpicar, qualquier cosa liquida. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 152r. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
TZICUĪN(I) to leap, jump, run; to splash / corre, brinca, salta (T), salpicar cualquier cosa líquida (M).
TZICUĪNOHUA nonact. TZICUĪN(I). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 312.