toaster (n.)youdaoicibaDictYouDict[toaster 词源字典]
1580s, agent noun from toast (v.1). Electrical type is from 1913. In reference to a person who proposes or pledges a drinking toast, from 1704 (from toast (v.2)). Toaster-oven attested from 1957.[toaster etymology, toaster origin, 英语词源]