An example of ciao is a greeting used when you say goodbye: "Ciao! I'll see you tomorrow!"
Origin of ciao
- Italian from dialectal ciau alteration of Italian (sono vostro) schiavo (I am your) servant from Medieval Latin sclavus slave, servant slave
From American Heritage Dictionary of the English Language, 5th Edition
- From Italian ciao (“hello, goodbye”), from Venetian ciao (“hello, goodbye, your (humble) servant”), from Venetian s-ciao / s-ciavo (“servant, slave”), from Medieval Latin sclavus (“Slav, slave”), related also to Italian schiavo, English Slav, slave and Old Venetian S-ciavón ("Slav"), from Latin Sclavonia (“Slavonia”).