arcade (n.)youdaoicibaDictYouDict[arcade 词源字典]
1731 (as arcado, from 1640s), from Italian arcata "arch of a bridge," from arco "arc," from Latin arcus (see arc). Applied to passages formed by a succession of arches, avenues of trees, and ultimately to any covered avenue, especially one lined with shops (1731) or amusements; hence arcade game (1977).[arcade etymology, arcade origin, 英语词源]