nibble (v.)youdaoicibaDictYouDict[nibble 词源字典]
"to bite gently," c. 1500, perhaps from Low German nibbeln "to nibble, gnaw," related to Middle Low German nibbelen, Middle Dutch knibbelen "to gnaw," source of Dutch knibbelen "to cavail, squabble." Related: Nibbled; nibbling.[nibble etymology, nibble origin, 英语词源]
nibble (n.)youdaoicibaDictYouDict
1650s, "act of nibbling," from nibble (v.). As "a small bite," from 1838.