generic (adj.)youdaoicibaDictYouDict[generic 词源字典]
1670s, "belonging to a large group of objects," formed in English from Latin gener-, stem of genus "race, kind" (see genus) + -ic. Hence "of a general kind, not special. In reference to manufactured products, "not special; not brand-name; in plain, cheap packaging," is from 1953 of drugs; of groceries, etc., from 1977. Related: Generically.[generic etymology, generic origin, 英语词源]