commercial (adj.)youdaoicibaDictYouDict[commercial 词源字典]
1680s, "pertaining to trade," from commerce + -al (1). Meaning "paid for by advertisements" (in reference to radio, TV, etc.) is from 1932; meaning "done for the sake of financial profit" (of art, etc.) is from 1871. Related: Commercially.[commercial etymology, commercial origin, 英语词源]
commercial (n.)youdaoicibaDictYouDict
"an advertisement broadcast on radio or TV," 1935, from commercial (adj.).