"a fall or flow of water over a cliff, a waterfall," 1640s, from French cascade (17c.), from Italian cascata "waterfall," from cascare "to fall," from Vulgar Latin *casicare, frequentative of Latin casum, casus, past participle of cadere "to fall" (from PIE root *kad- "to fall").
cascade (v.)
"to fall in cascades," 1702, from cascade (n.). In early 19c. slang, "to vomit." Related: Cascaded; cascading.
progressing in severity as though a cascade of genetic damage was occurring
separation of isotopes by a cascade of processes
a sudden cascade of sparks
caryatid
casaba
Casablanca
Casanova
casbah
cascade
case
casein
case-knife
casement
caseous