jumble (v.) Look up jumble at Dictionary.com
1520s, originally "to move confusedly," perhaps coined on model of stumble, tumble, etc. In 17c., it was yet another euphemism for "have sex with" (a sense first attested 1580s). Meaning "mix or confuse" is from 1540s. Related: Jumbled; jumbling.
jumble (n.) Look up jumble at Dictionary.com
"a confused mixture," 1660s, from jumble (v.).