fender (n.)youdaoicibaDictYouDict[fender 词源字典]
late 13c., shortening of defender. Originally something hung over the side to protect the hull of a ship at a wharf, pier, etc. Of fireplaces since 1680s; of automobiles from 1919. Fender-bender "minor automobile accident" is from 1958.[fender etymology, fender origin, 英语词源]