squeal (v.)youdaoicibaDictYouDict[squeal 词源字典]
c. 1300, probably of imitative origin, similar to Old Norse skvala "to cry out" (see squall (v.)). The sense of "inform on another" is first recorded 1865. Related: Squealed; squealing. The noun is attested from 1747.[squeal etymology, squeal origin, 英语词源]