schnorrer (n.)youdaoicibaDictYouDict[schnorrer 词源字典]
1892, from Yiddish, "beggar," from German slang schnurrer, from schnurren "to go begging" (slang), perhaps ultimately imitative of the sound of pleading or whining (compare sneer, snorkel, snarl).[schnorrer etymology, schnorrer origin, 英语词源]