frappe (n.)youdaoicibaDictYouDict[frappe 词源字典]
"iced drink," 1922, American English, from French noun use of frappé "made cold by application of ice," past participle of frapper "to chill," literally "to beat," from Old French fraper "to hit, strike" (see frap (v.)). Earlier in English as an adjective, "iced" (1848).[frappe etymology, frappe origin, 英语词源]