autobahn (n.)youdaoicibaDictYouDict[autobahn 词源字典]
1937, German, from auto "motor car, automobile" + bahn "path, road," from Middle High German ban, bane "way, road," literally "strike" (as a swath cut through), from PIE *gwhen- "to strike, kill" (see bane).[autobahn etymology, autobahn origin, 英语词源]